14 best countersink drill bit sets

Countersink drill bit sets are essential tools used in woodworking, metalworking, and other applications where you need to create a conical hole or recess in a material for screw heads or bolts to sit flush with the surface. These sets typically include multiple countersink drill bits of varying sizes and may also come with adjustable depth stops or collars for precise depth control. Here's some information about countersink drill bit sets:

  1. Types of Countersink Drill Bits: Countersink drill bit sets often contain various types of countersink bits, including single-flute, double-flute, and multi-flute designs. Single-flute countersinks are suitable for softer materials like wood, while multi-flute versions are better for harder materials like metal.

  2. Materials: Countersink drill bits can be made from different materials, including high-speed steel (HSS) and carbide. HSS bits are suitable for general-purpose use, while carbide bits are more durable and excel in cutting hard materials.

  3. Sizes: Countersink drill bit sets typically offer a range of sizes to accommodate various screw or bolt sizes and different applications. Common sizes include #6, #8, #10, and larger for woodworking, metalworking, or other projects.

  4. Adjustability: Some countersink drill bit sets come with adjustable depth stops or collars. These allow you to control the depth of the countersink hole precisely, ensuring a consistent and flush fit for your fasteners.

  5. Compatibility: Countersink drill bits are designed to be used with power drills or drill presses. They typically have a standard shank size that fits most drills.

  6. Application: Countersink drill bits are used to create countersunk holes, which are often used in woodworking to hide screw heads, or in metalworking to create a smooth surface for fasteners. These bits can also be useful for deburring and chamfering edges.

  7. Quality: The quality of countersink drill bits can vary, so it's important to choose a set from a reputable brand to ensure sharp, durable bits that provide clean, precise results.

Countersink drill bit sets are valuable additions to any toolkit, especially for professionals and DIY enthusiasts who frequently work with screws and bolts. They help improve the overall finish of a project by allowing fasteners to sit flush with the material's surface, providing both functional and aesthetic benefits.

Below you can find our editor's choice of the best countersink drill bit sets on the market
  

Makita A-99661 3 Pc. Countersink with Drill Bit Set with Hex Wrench

Makita

Based on 76 reviews Check latest price

Product description

Makita has a deep line-up of drilling, driving and fastening tools and accessories. The Makita 3-piece Countersink with drill bit set with hex wrench (A-99661) is engineered for drilling pilot hole, countersinks and counterbores in one easy operation. The drill bit can be adjusted the desired drilling depth, and the 1/4”’ hex shank fits in impact drivers and driver-drills. The 3-piece set includes #6, #8 and #10 countersinks plus a hex wrench.

  • Includes #6, #8, and #10 countersinks Plus a hex wrench
  • Drills pilot hole, countersinks and counterbores in one easy operation
  • Drill bit can be adjusted to the desired drilling depth
  • 1/4" hex shank fits in impact drivers and driver-drills
  • Creates pilot hole for screw to prevent wood from splitting

User questions & answers

Question: Where is it made / manufactured
Answer: Hello there, No, it does not. This is the spool replacement for model 2101602. Please follow the link below for model 21272: https://www.amazon.com/Greenworks-065-Inch-Trimmer-Replacement-29252/dp/B004EPXIA6/ref=sr_1_4?ie=UTF8&qid=1536154782&sr=8-4&keywords=greenworks+spool

DEWALT Countersink Drill Bit Set #6, #8, #10, 3-Piece (DW2535)

DEWALT

Based on 1 reviews Check latest price

Product description

3 Piece, Countersink Set, Rapid Load System, Durable Rubber Finger Grips For Comfortable Use, Impact & Rust Resistant Nickel Plated Nose, Stainless Steel Interior Parts & Pressure Activated Ball Groove System For Rapid Loading & Strong Retention, Provides Quick & Easy Accessory Changes Without Rechucking, Accessories Have Hex Shank Locking System To Prevent Slipping, Holder Fits All Brands Of 3/8" & 1/2" Cordless & Corded Drills.

From the Manufacturer

DEWALT DW2535 3 Piece #6, #8, and #9 Countersink Assortment

  • The product is 3PC Countersink Set
  • Easy and simple use kit
  • The product is manufactured in China
  • Drill, countersink and counterbore in one step
  • Four cutter countersink and tapered drill bit provide superior speed and ideal finish
  • Replacement tapered bits offered

User questions & answers

Question: If I'm using 3/4 inch screws that would require me to tighten the countersink onto the threaded section of the bit is that ok
Answer: There is no easy way to do it using this kind of packaging. If you buy the bigger spools, you can just put some kind of axle through the larger spool and let the line unwind straight onto the trimmer spool with zero twisting. One way to minimize twist from this type of packaging is to make sure to wind your spool the opposite way that the line is coiled in the package. If the package is coiled clockwise, wind your spool counter-clockwise. I have a gas trimmer, so I load from the center of the trimmer line out. My spool holds 8 arm's lengths of line, so I measure out 4 arm's lengths of line and start winding from that point instead of measuring out the whole 8 arm's lengths then finding the center and winding. There are much fewer tangles and mess that way.
Question: Are these impact driver ready
Answer: Hello there, Yes, it will work with the string trimmer from combo pack STBA40B210.
Question: what size works for drywall screws
Answer: Hello there, No, this is a dual line spool replacement. Model 21332 is a single line unit. Here is the compatible spool replacement model 29252: https://www.amazon.com/Greenworks-065-Inch-Trimmer-Replacement-29252/dp/B004EPXIA6/ref=sr_1_1?s=lawn-garden&ie=UTF8&qid=1528466445&sr=1-1&keywords=29252
Question: what size plug cutter do i need for this set
Answer: Hello there, No, it will not. Model 2101202 comes with a quick-load trimmer head. Simply use trimmer line at .080" in diameter and rewind the existing spool yourself. Here's a video on how this can easily be done: https://www.youtube.com/watch?v=YgVkrrx9gLg We hope this helps.

Product features

DEWALT DW2535

- Drill, countersink and counterbore in one step

- Replacement tapered bits offered

- Four-cutter countersink and tapered drill bit provide superior speed and ideal finish

- The product is 3PC Countersink Set

- Easy and simple use kit

Rocaris 23-Pack Woodworking Chamfer Drilling Tool, 6pcs 1/4" Hex 5 Flute 90 Degree Countersink Drill Bits, 7pcs Three Pointed Countersink Drill Bit with L-Wrench, 8PCS Wood Plug Cutter, and Automatic

Rocaris

Based on 1 reviews Check latest price

Product description



6PCS 5 Flute Countersink Drill Bit for wood:



Specification:

Material: High speed steel

Surface treatment:Titanium Coated

Handle diameter: 1/4" hex shank

Size:1/4"(6mm),5/16"(8mm),3/8"(9mm),1/2"(12mm),5/8"(16mm),3/4"(19mm)



Features:

1.Polished cutting edge for reduced friction.

2.High hardness and sharp, perfect for drilling the extra thick wood.

3.Ideal for wooden planks,fiberboard,particle board,plywood,plastic,alumiumn board ,pcb board and more.



8PCS Wood Plug Cutter Tool Drill Bits:



Specification:

Material: 45#Carbon Steel

Shank: 3/8"(10mm) Round shank

Sizes: 1/4"(6mm),3/8"(10mm),1/2"13mm),5/8"(16mm)



Features:

1. Chamfered Cutters Cut the plug from an offcut for perfect timber match.

2. Perfect for hiding screw heads and damage repair

3. Also great for projects requiring decorative plugs

4. Able to cut plugs to 22mm/23mm/25mm/26mm in length



7pcs Three Pointed Countersink Drill Bit with One L-wrench

Specification:

Material: Three-Pointed Woodworking Countersink Drill Bit:high-speed steel 4241

Woodworking Chamfer: shigh-speed steel

Surface treatment: Natural Color

Handle features: Round Handle



Dimension:

3mm(Dia) x 60mm(L)

4mm (Dia)x 75mm(L)

5mm(Dia) x 85mm(L)

6mm (Dia)x 93mm(L)

7mm(Dia) x 103mm(L)

8mm (Dia)x 107mm(L)

10mm(Dia) x 120mm(L)



Package includes:

8Pcs Wood plug cutter Drills

6x 1/4" hex Countersink Drill Bit.

7x 3/8" round shank Countersink Drill Bit with L wrench.

1x Automatic center punch

  • Package included 23pcs woodworking chamfer drilling tool, 6pcs 1/4" Hex Shank HSS 5 Flute 90 Degree Countersink Drill Bits, 7pcs Three Pointed High Speed Steel Countersink Drill Bit with One L-wrench for Wood Drilling or Woodworking Chamfer, 8pcs wood plug cutters drill bit set and 1pcs Automatic center punch for marks workpiece with a dimple, creating a starting point that prevents screws and drills from wandering
  • 3/8" shank 8pcs wood plug cutter drill bit set made of durable carbon steel material,used for tapered 1/4", 3/8", 1/2" ,5/8" wood plugs to cover recessed screw holes or hide blemishes,able to cut plugs to 22mm/23mm/25mm/26mm in length.
  • 1/4" hex shank 5 flute countersink drill bit made of high speed steels and with 6 different diameter sizes 6mm(1/4"), 8mm(5/16"), 9mm(3/8"), 12mm(1/2"), 16mm(5/8"), 19mm(3/4"),used for sinking 90 Degree 6 different sizes Holes into Wood and PVC boards Countersunk Screws and Fixings.
  • 7pcs three pointed countersink drill bits made of high speed steel with good abrasion resistance and durable,includes 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm for drilling pilot holes,the drill bit large chip flute and five edge chamfers allows faster and easier discharge of sawdust.

User questions & answers

Question: How easy do these break? Kinda a cheap price for all these bits
Answer: I use it in a Stihl electric with 2 string head so I think as long as your's can take .080 string your set. I have no complaints about this string at all.
Question: Does it come packaged in wooden or plastic box? Thanks
Answer: Yes I would buy it again. However, do a little research on your particular model weed whacker to see which thickness is best for that model. Thinner, breaks more often. Thicker, and square versus round, may not fit the right cord makes a big difference.
Question: Does this come with a case
Answer: Thank you for contacting Oregon. Yes you can put an .080" line in a head that uses .095" line. If you any further inquiries, please contact Oregon Technical Services Direct at 1-800-223-5168 option #1.

IRWIN Countersink Drill Bit Set for Metal, 5-Piece (1877793)

Irwin Tools

Based on 889 reviews Check latest price

Product description

The IRWIN Metal Countersink Drill Bit Set features precision ground 82° tips for countersinking most machinable metals, wood, and plastic. Made from industrial grade high-speed steel for increased durability, each countersink has a black oxide coating to resist corrosion and a five-flute design that reduces vibration for smoother drilling and an extended life. Set includes 1/4", 3/8", 1/2", 5/8", and 3/4" countersinks, and a drawer Case

From the Manufacturer

IRWIN High Speed Steel Countersinks feature a precision-ground 82-degree tip that makes them ideal for countersinking into most machinable metals. They're made from industrial grade high speed steel for increased durability, and they include a black oxide finish for added corrosion resistance. The five flute design reduces vibration for smoother drilling and extended life. Plus, the 1/4" round shank fits all handheld and stationary drills.

  • Precision ground 82° tip for countersinking most machinable metals, wood, and plastic
  • Made from industrial grade high speed steel for increased durability
  • Includes a black oxide finish for added corrosion resistance
  • Five-flute design reduces vibration for smoother drilling and extended life
  • 1/4" round shank fits all handheld and stationary drills

User questions & answers

Question: What is the difference between this set, set 1882076 sold at Lowes, and set
Answer: I use them in my 1/4" dewalt impact drill from time to time , especially in tight spots like small 9" or 12" cabinets. No problems so far.
Question: Is this a two step process compared to something like the snappy quick-change 5-pc set which is an all-one process
Answer: All 3 WILL provide more than enough countsink for ALL of your drywall screws to sit below the top of surface. Regardless of whether or not drywall screws are designed for use in wood, anyone who says they haven't is lying.
Question: How do these handle stainless steel? Will they old up or am I better off just buying disposable Harbor freight
Answer: You will need a 3/8-inch plug cutter.
Question: Anybody having issues with slipping? I am just wondering why the round shank and not hex or at least no-slip
Answer: Its made in China.

7 PCS Titanium Coated Countersink Drill Bit Set for Wood High Speed Steel, Woodworking Carpentry Reamer Tool Set with Hex Key Wrench

Li Ke

Based on 9 reviews Check latest price

Product description

7 PCS Titanium Coated Countersink Drill Bit Set

Ideal Carpentry Reamer Tool Set for furniture assembly, house maintenance, DIY work and other home use;

Great Tool for Hobbyists, Modelers or for Professional use, such as Builders and Electricians etc.



PACKAGE INCLUDES:

7 PCS Titanium Coated Countersink Drill Bits: 3mm, 4mm, 5mm, 6mm,7mm, 8mm, 10mm;

APPLICATIONS:

Apply to wooden planks, fiberboard, particle board, plywood, plastic, aluminum board, PVC board and more;



PRODUCT SPECIFICATIONS:

MATERIAL:High Carbon Steel

SURFACE TREATMENT:Titanium Coating



[WARM NOTE]- Recommend to use on table mounted drill. Due to the unfixed drilling center of hand drill, bits may break during drilling if they are applied on hand drills.

  • ✯ [PREMIUM MATERIAL]- 7 PCS titanium coated counter sinker drill bit for wood are made of high quality high carbon steel, with fine titanium coating for better strength, higher hardness, heat resistance and wear resistance;
  • ✯ [COMBO SET OF 7 SIZES WITH STRAIGHT SHANK]- Each package includes 7 sizes -3mm, 4mm, 5mm, 6mm,7mm, 8mm, 10mm-metal countersink drill bits to satisfy your various woodworking needs; All countersink drill bit has a straight shank and can fit into all power tools, especially for quick change chuck; Five-edged chamfer design discharges chips from hole on both sides fast and easily;
  • ✯ [EASY ASSEMBLY AND DISASSEMBLY]- Package comes with a hex key to easily adjust or disassemble the countersink drill bit and the five-flutes chamfering;
  • ✯ [WIDE APPLICATION]- Countersink wood drill bit set with 7 sizes, ideal for wooden planks, fiberboard, particle board, plywood, plastic, aluminum board, PVC board and more. Great for wood openings, reaming, chamfering, screw head, etc.
  • ✯ [WARM NOTE]- Recommend to use on table mounted drill. Due to the unfixed drilling center of hand drill, bits may break during drilling if they are applied on hand drills.

MIMIVIVA Countersink Drill Bit, Countersink Drill Bit Set with 82 Degree Center Countersink Bits for Wood Quick Change Bit 6mm - 19mm 6 Pcs

MIMIVIVA

Based on 544 reviews Check latest price
  • 🛠【Great Design】1/4 inch hex shank drill bit is suitable for quick replacement, suitable for most power tools, The cutting edge is hardened and honed for sharpness. all drill bits have a 82 degree angle on the point for sharp and precise countersinking.
  • 🛠【Easy to Use】A Chatter-Free, five-flute designed with staggered cutting teeth aranged to insure free chip flow and rapid chatter free cutting.reduces vibration for smoother drilling
  • 🛠【Durable & Long-life】The countersink drill bit set is made of industrial grade high carbon steel with hard titanium coating. The automatic center punch is made of pure brass.Durability & Long service life.
  • 🛠【Size】6 different diameter sizes, 6mm(1/4''), 8mm(5/16''), 9mm(3/8''), 12mm(1/2''), 16mm(5/8''), 19mm(3/4'').
  • 🛠【Suitable】Perfect for wood openings, reams, chamfers, screw heads, etc. Suitable for chamfering of various soft materials such as wood board, aluminum board, plywood, plastic, PVC board, etc. [Not suitable for metals]

Product features

MIMIVIVA Countersink Drill Bit Set (6 Pcs)

Packing list:

  • 6mm(1/4'') Drill
  • 8mm(5/16'') Drill
  • 9mm(3/8'') Drill
  • 12mm(1/2'') Drill
  • 16mm(5/8'') Drill
  • 19mm(3/4'') Drill

Countersink Drill Bit Set, 5 Pieces High Speed Steel 82 Degree 5 Flute 6mm Round Shank Mill Cutter Bit Countersink in Sizes 1/4” 3/8” 1/2” 5/8” 3/4” Set with Carrying Case.

DKIBBITH

Based on 100 reviews Check latest price

Product description

Product Description:

The Countersink Drill Bit Set made from industrial grade high-speed steel for increased durability, each countersink has a golden oxide coating to resist corrosion and a five-flute design removes chips faster and dills smoother and ensures an extended life.

It features precision ground 82° tips for countersinking most machinable metals, wood, and plastic. 

Each set includes 1/4", 3/8", 1/2", 5/8", and 3/4" countersinks, and a padded carrying Case.

  • VERSATILITY – Comes in 5 most popular sizes bits 1/4, 3/8, 1/2, 5/8, 3/4 inch counter sink drill bits.
  • PRECISION - 82-degree tip drills countersink holes into most machinable metals, plywood, softwood, hardwood, fiberglass plastic, mild steel, don't work on stainless.
  • COMPATIBILITY – 1/4” round shank fits all handheld and stationary drills.
  • EFFICIENT- Five-flute design reduces vibration and removes chip better, provides smoother drilling experience and extended bit life.
  • DURABILITY - Made from High-Speed Steel with golden oxide finish for corrosion resistance.

23Pcs Woodworking Chamfer Countersink Drill Bit Set 6Pcs 1/4 Inch Hex 5 Flute 90 Degree Countersink Drill Bits 7Pcs Three Pointed Countersink Drill Bit 8Pcs Wood Plug Cutter and Automatic

Flyzy

Based on 5 reviews Check latest price
  • This 23-Pack Woodworking Chamfer Drilling Kit Includes: 6pcs 1/4" Hex Shank HSS 5 Flute 90 Degree Countersink Drill Bits + 7pcs Three Pointed High Speed Steel Countersink Drill Bit with 1 pc L-wrench + 8pcs 3/8" shank wood plug cutters set with 1pc Automatic center punch.
  • 7pcs 3- Pointed Countersink Drill Bit: Made of high carbon steel with high hardness and wear resistance, includes 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm for drilling pilot holes, the drill bit large chip flute and five edge chamfers allows faster and easier discharge of sawdust. With the L-shape hex key provided, you could easily remove five bevel chamfer or adjust counter sleeve depth and drilling depth.
  • 8pcs 3/8" Shank Wood Plug Cutter Drill Bit: Made of high carbon steel, used for tapered 1/4" ,3/8" ,1/2" ,5/8" wood plugs to cover recessed screw holes or hide blemishes, able to cut plugs to 22mm/23mm/25mm/26mm in length.
  • 6pcs 1/4" hex shank 5 flute countersink drill bit: Made of high speed steels. There are 6 different sizes in diameter: 6mm(1/4"), 8mm(5/16"), 9mm(3/8"), 12mm(1/2"), 16mm(5/8"), 19mm(3/4") .Great for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings. Suitable for DIY, Home and General Building/Engineering Using.

Product features

7pcs Countersink Drill Bits

  • Durability: Made of industrial grade high carbon steel, titanium coated, durable and long service life.
  • Three-Pointed: Quickly and accurately drill a smooth hole.
  • Five-edged Chamfer Design will fast discharge chips from the hole on both sides.
  • Adjustable: comes with the L-shape hex key, you could easily remove five bevel chamfer or adjust counter sleeve depth and drilling depth.
  • Application: Suitable for wooden planks, plywood, aluminum board, fiberboard, particle board, plastic, PVC board and other various soft material chamfer.

6pcs Countersink Drill Bits

  • Specification:
  • Material: High Speed Steel
  • Flute: 5 flutes
  • Tip Degree: 90 Degree
  • Shank Size: 1/4" hex shank
  • Sizes: 6mm(1/4''), 8mm(5/16''), 9mm(3/8''),12mm(1/2''),16mm(5/8''),19mm(3/4'')
  • Ideal for wooden planks, fiberboard, particle board, plywood, plastic, alumiumn board, pcb board and soft metal.

8pcs Plug Cutter Drill Bit

  • Specification:
  • Material: 45#Carbon Steel
  • Shank: 3/8"(10mm) Round shank
  • Tapered Size: 1/4" ,3/8" ,1/2" ,5/8"
  • Cut Plugs to Length: 22mm, 23mm, 25mm, 26mm

Snappy Tools Brand Quick-Change 5-Pc. Countersink Drill Bit Set with Case. Proudly Made in the USA

Make it Snappy

Based on 1 reviews Check latest price

Product description

Quick Change 5 Piece Countersink Drill Bit Set by Snappy. Combination countersink and/or counter bore for standard wood plugs with standard hex shank will fit all power bit quick change chucks. Made of alloy steel & thru hardened with a 82 degree countersink angle. The drill bits are adjustable for different length screws with a 3/8" or 1/2" diameter counter bore. Your drill will not slip when using large 1/4" socket head screws. Made in USA by Snappy.

  • In one step, you can drill, countersink and counter bore the perfect sized hole for #4, #6, #8, #10, or #12 screws.
  • Snappy Tools Countersinks will drill the pilot hole and countersink or counter-bore for screws in one step. Countersink to drive the head of the screw flush with or slightly below the surface
  • Ideal for plugs or dowel buttons. The 1/4" hex shank can be used with power drills and quick-change chucks.
  • Experience the higher quality of Snappy Tools. Combining higher quality materials and patented technology, Snappy delivers industrial quality tools to the tradesman and do-it-yourself markets at an affordable price.
  • Made in USA by Snappy; Includes 5 Gold Screw Countersinks: 5/64x3/8, 3/32x3/8, 7/64x3/8, 1/8x3/8 & 9/64x1/2 and a belt clip pouch

User questions & answers

Question: What is the best way to sharpen the countersinks? Could they be sharpened with the Drill Doctor
Answer: I have never tried to sharpen them, but if I needed to I would remove the drill bit and use a very fine metal file or a honing stone.
Question: How good is the stop collar at drilling a flush hole? One reviewer (oct 29, 2016) indicated that the collar was more for boring and not flush
Answer: I see what you're saying now. No problem, you can set the collar so that you have a shallow v-shaped countersink with none of the vertical walled boring you'd want for a bung, so the top of a flat head screw willl sit perfectly flush with the surface.
Question: Can you use these with an impact driver
Answer: yes, I use them with an impact drive as well as a driver drill.
Question: What angle do the countersinks cut
Answer: The same with common countersunk screw i.e 82° countersink angle cut

MOHOO Countersink Drill Bits, 7pcs Woodworking Countersink Drill Bits Set, Woodworking Chamfer High-Speed Steel Countersink Drill Bits for Woodworking 3 4 5 6 7 8 10mm with Hex Key

MOHOO

Based on 504 reviews Check latest price

Product description

MOHOO 7pcs Woodworking Countersink Drill Bits Set With Hex Key, #3 #4 #5 #6 #7 #8 #10mm



Specification:

Dimension:

3mm(Dia) x 60mm(L)

4mm (Dia)x 75mm(L)

5mm(Dia) x 85mm(L)

6mm (Dia)x 93mm(L)

7mm(Dia) x 10mm(L)

8mm (Dia)x 11mm(L)

10mm(Dia) x 12mm(L)



Material:

*Three-Pointed Woodworking Countersink Drill Bits:high-speed steel 4241

*Woodworking Chamfer: high-speed steel 45



Surface treatment: Natural Color

Handle features: Round Handle



Package Included:

7 x Woodworking Countersink Drill Bits

1 x Hex L-wrench



★Why to Use Woodworking Countersink Drill Bits?

♦To drill the screw holes and keep on the same axis, after screw in screw,nut below the board!

♦Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood floor, machine screw for wood screw.



◆How to Use Woodworking Countersink Drill Bit?

▶Step 1: Attach the drill bit into hand drill driver, make sure it is fastened;

▶Step 2: When Woodworking or Building Molding, enlarge and bevel the rim of a drilled hole so that a screw, nail, or bolt can be inserted flush with the surface you are working on.

▶Step 3: Example: Hinges - the bits also wipe away any burr left from any application,thereby improving the finish and removing hazardous edges.

▲ Remember to drill countersink hole on the wood VERTICALLY.



▲ Special Notice:

●The best use of this product is to use a bench drill, because the hand electric drill is not fixed in the operation process, the drill bit (especially the 3mm and 4mm) is prone to bend and break!!!

●Try to keep the drill vertical while drilling, so as not to be uneven.

●Pay attention to the condition of wear and tear of the cutting edge and timely repair the countersink drill bits.

  • ①TRI-POINTED DESIGN: The countersink drill bits set with tri-cuspid centering that make sure drills will not produce offset, not easy to slip, no bias, good for accurate and fast drilling. The five-edged chamfer design of the countersink drill helps to remove chips from the holes on both sides automatically and quickly.
  • ②HIGH CARBON STEEL MATERIAL: Countersink drill bits are made of high carbon steel which offer high hardness, superior cutting power, good abrasion resistance.
  • ③REMOVEABLE& ADJUSTABLE: It is easy to adjust or disassemble the countersink drill bit and the five-flutes chamfering with the provided L-shape hex key.
  • ④PACKAGE CONTENTS: One set of countersink drill bits comes with 7 pieces of countersink drill bits in 7 size, #3 #4 #5 #6 #7 #8 #10mm, and 1 piece of L-shape Hex wrench included.
  • ⑤EXCELLENT AFTER-SELL : Within 90 days, if the quality of countersink drill bit set is not completely satisfied, contact us by email, we will provide a best solusion for you.

User questions & answers

Question: Is this in a case
Answer: I have not had them break yet but the plug bits don’t do a good job they get about 1/3” and start squealing and bind up.
Question: Would these bits marked for size
Answer: no
Question: Are these countersink bits made of metal
Answer: NO IT DOES NOT.
Question: Are they compatible with any type of drills
Answer: While not recommended, you can do it. I'd probably use a different style countersink though. Something with an actual drill bit as the pilot and the shank just eats a little away. These are for bigger screws.

Countersink Drill Bit, Baban Countersink Drill Bit Set 6 Pcs 1/4'' Hex Shank HSS 5 Flute Countersink 90 Degree Center Punch Tool Sets For Wood Quick Change Bit 6mm-19mm

Baban

Based on 1 reviews Check latest price
  • ✔ Special Reminding - ● These flute countersink drill bit set are machined from high speed steels and are available in 6 different diameter sizes. Size - 6mm(1/4''), 8mm(5/16''), 9mm(3/8''), 12mm(1/2''), 16mm(5/8''), 19mm(3/4'')
  • ✔ Eliminates Chatter&Vibration - All have a 90° angle on the point for sharp and precise countersinking. The cutting edge is hardened and honed for sharpness. A Chatter-Free,five-flute designed with staggered cutting teeth aranged to insure free chip flow and rapid chatter free cutting.
  • ✔ Mutiple Application - Ideal for wooden planks,fiberboard,particle board,plywood,plastic,alumiumn board ,pcb board and more
  • ✔ Premium Design - Great for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings.Suitable for DIY, Home and General Building/Engineering Using. ●NOTE:There will be a slight color difference between the picture and the actual product. Please you can refer to the photos of other customers'review. We will promise that our products are 100% brand new.
  • ✔ Sweet Tips - 1/4″ hex shank countersinks are fine for a quick drill. They don’t slip in drill chucks. You can make deep countersinks easily by setting the countersink’s depth stop to allow the countersink to drill more deeply into the worksurface. Be sure to measure the size of your plug to be sure your countersink’s body will make the right-size hole. IF you have any problem about the item,please contact us first so that we can help you out.

User questions & answers

Question: Newbie question, are these compatible with any type of drills? or are they dewalt exclusive
Answer: there is a difference can be used for metal they are little harder the other is for wood
Question: Is this countersink bit for metal or wood
Answer: Yes. - Different type product, it's 2 steps.1) Drill a hole, then 2) you can come back with this and countersink a spot for the screw head.I've got a similar one, but not Irwin, so I won't comment on quality, but the style seems to work fine. I did notice you can make it "wander" a bit, so if you are trying to line up holes, the other style might be a better choice.
Question: Would one of these work for a #2 screw
Answer: They are HSS and should do ok, personally I'd prefer using tungsten carbide tools when working with stainless steel.
Question: As most wood screws have an 82 degree taper, not 90 degree, are these available in 82 degree taper
Answer: I've had them a while now. Drilled both wood and steel with them and they're still sharp. It's never slipped for me, however I think the issue of slipping is more related to the quality of your drill. So if your drill has a solid chuck it will be just fine.

Product features

Professional Countersink Drill Bit Set meet what u need

Specifications

Material:High Speed Steels

Size:6mm,8mm,12mm,16mm,19mm

Quantity: 1Set(6 Drills)

Length:48mm/1.88''

Features:

Durable and practical.

Ideal for Wooden planks,Fiberboard,Particle board,Plywood,Plastic,Alumiumn Board ,etc.

Suitable for DIY, Home and General Building/Engineering Using.

Package include:

1 x 6mm Drill

1 x 8mm Drill

1 x 9mm Drill

1 x 12mm Drill

1 x 16mm Drill

1 x 19mm Drill

●NOTE: There will be a slight color difference between the picture and the actual product. Please you can refer to the photos of other customers'review. We will promise that our products are 100% brand new. If you are not satisfied, please tell us.

22PC Countersink Drill Bit Set W/Adjustable Depth Stop Collars Counterbore Drill Woodworkers Hole Cutter Screw Drill

SYWAN

Based on 176 reviews Check latest price

Product description

7 piece Countersink bit set is the perfect addition to any woodworkers's tool box. 

These bits feature: 

High speed heat treated steel, 

Single twist design for smooth drilling, 

7 Drills +7 Countersinks + 7Stop Collars + 1 Allen Wrench 

Bit sizes: 1/8"", 9/64"", 5/32"", 11/64"", 3/16"", 13/64"", 7/32"", 

Made for Screw sizes: No. 5, No. 6, No. 7, No. 8, No. 9, No. 10, No. 12, 

Comes with a flip wooden case.

  • Made for drilling pilot holes for screw sizes 5mm, 6mm,7mm,8mm,10mm.11mm.12mm
  • FLEXIBILITY, REMOVABLE and ADJUSTABLE: It‘s convenient to use the combination of Hex Key to adjust or disassemble the countersink drill bit and the five-flutes chamfering.
  • High speed heat treated steel:countersink drill bits are made of high speed steel, QUENCHING treatment, so they are HIGH HARDNESS, WEAR-RESISTING and DURABLE.
  • Applies to:drilling machinery with chuck or joints
  • Seven Stop Collars, Bit sizes: 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32"

User questions & answers

Question: Pictures are not consistent to each other, they show different products. What would I actually receive
Answer: Any drill with a chuck yes.

FTG USA 3 Piece #6, 8, 10 Adjustable Wood Countersink Drill Bit Set with Woodworking Tapered HSS Bits and Hex Wrench (1/8" Allen Key)

FTG USA

Based on 89 reviews Check latest price
  • Top Quality material components highly durable: Tapered drill bit HSS M2, by far the most popular High Speed Steel, for its high toughness, wear resistance, and good cutting edge retention; 4 cutter #45 Carbon Steel; featuring 3 Piece countersink #6 (9/64 inch), #8 (11/64 inch), #10 (3/16 inch) ; Drill, countersink and counterbore in 1 step; the countersink cutter doesn't clog up providing superior speed and clean finish
  • Adjustable 4-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking; the countersink works effortlessly even after many uses; it makes clean and consistent tapered holes for screws without the need of a stop collar; Counterbore size 3/8", Plug size 3/8"
  • Tapered drill pointed tip with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws; tapered drill bits can be replaced with a replacement bit of the same type and sizes for extended life; Logo brand laser printed on each countersink shank offering confidence in product authenticity
  • One of the best and most popular countersink drill bits set for wood; Quality built counter bore attaches to flats on shank with 2 hex screws for a secure fit and can be adjusted for controlled pilot hole depth
  • Universal 1/4 inch hex shank prevents slipping in standard chucks and is compatible with all 1/4 inch quick-change chucks, including impact drills; this product is Professionally manufactured in China; Hex Key (Allen Wrench) included

User questions & answers

Question: Can i countersink for wood plugs all at the same time with this set? If so, what size of wood plugs do i get
Answer: Yes, they are. The countersink collars tend to loosen up rather quickly and you must tighten the set screw often.

Product features

FTG 2325 feature the best tapered drill bits HSS M2 (Grade 6542)

Product consist of 3 Piece Adjustable Wood Countersink, and 1 Piece Hex Wrench (1/8" Allen Key). Countersink #6 Bit Diameter 9/64" (3,6mm) , counterbore size and plug size 3/8" Countersink #8 Bit Diameter 11/64" (4,4mm) , counterbore size and plug size 3/8"Countersink #10 Bit Diameter 3/16" (4.8mm), counterbore size and plug size All of them have the shank size 1/4". Drill, countersink and counterbore in 1 step.

FTG 2325 packaging design protected by Copyright

Top Quality material components highly durable HSS M2 11/64 inch Tapered and double fluted drill bit; by far the most popular High Speed Steel, for its high toughness, Grade 6542, wear resistance, and good cutting edge retention; 4 cutter #45 Carbon Steel; featuring #6 (9/64 inch), #8 (11/64 inch), #10 (3/16 inch), 3/8" Adjustable Depth Stop Collar and 1/8" Hex Wrench included;

Top Quality Material Components; Widened flutes for fast drilling

Tapered drill pointed tip with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws; Built to perform well in both hard and soft woods. Drill, countersink and counterbore in 1 step; the countersink cutter providing superior speed and clean finish

Best Quality Materials: High Speed Steel M2 Grade 6542; HSS M2 - Drill Bit material component and Logo brand FTG USA laser printed on every shank.

Universal 1/4 inch hex shank prevents slipping in standard chucks and is compatible with all 1/4 inch quick-change chucks, including impact drills.

Adjustable 4-cutter counter bore, chamfer angle 82 degree, cuts and clears chips quicker for fast, smooth countersinking; the countersink works effortlessly even after many uses; it makes clean and consistent tapered holes for screws without the need of a stop collar.

This product is Professionally manufactured in China at FTG USA specifications; Logo brand and material component are laser printed on each countersink shank offering confidence in product authenticity.

FTG 2329

3 Pieces SameSsize (#6) 9/64" Replacement Countersink Tapered Drill Bit Only

www.Amazon.com/FTGUSA

FTG 2330

3 Pieces same size (#8) 11/64" Replacement Countersink Tapered Drill Bit Only

www.Amazon.com/FTGUSA

FTG 2345P

3 Pieces same size (#10) 3/16" Replacement Countersink Tapered Drill Bit Only and Hex Wrench

www.Amazon.com/FTGUSA

JNB Pro Wood Countersink Drill Bit Set - 5 Pc Adjustable Countersink Bit #8(11/64") All Same Size - 2 Extra 11/64 Tapered Drill Bit, 1 Adjust. Collar, 1 Wrench - 1/4" Quick Change Shank - Countersink

JNB Pro

Based on 23 reviews Check latest price

Product description

JNB Pro Countersink Drill Bit Set, provides nice and clean holes for Hard Wood, Soft Wood, Plywood, Particle Board, MDF and PVC. Designed for fast and Adjustable Counterbore and Countersink. The drill bits are tapered which provide accurate pilot holes. The stop collar and Hex Wrench are included and all set comes in a safe and handy container. The 1/4" hex shank its universal and fits in all quick change chucks .Make your Tough day sweet with the toughest countersink drill bit made with High Speed Steel M2 (6542 grade) & Carbon Steel #45 Countersink Cutters.

  • COUNTERSINK DRILL BIT SET -Also Countersink for Woodworking - Included 5 Pieces all same size #8 Cutters (for up to 3/8" or 10mm screws head), 2 Extra 11/64 Tapered High Speed Steel M2 Drill Bit (6542 grade), 1 Stop Collar, 1 Hex Wrench and 1 Safe Container to keep your set safe and always handy
  • ADJUSTABLE COUNTERSINK - Also Countersink Bits for Wood - The Adjustable Stop Collar allows you to adjust the Counterbores depth and Adjustable Cutters can be adjusted for many screws sizes.
  • QUICK CHANGE SHANK - The Quick Change 1/4" Shank is Universal size, Compatible with all 1/4" Quick Change Chucks, Juego De Brocas Avellanadoras Para Madera, Avellanadores De Madera, Avellanador Para Madera, Juego De Brocas Para Avellanar, Broca De Avellanado.
  • QUALITY VALUE SET - Our Countersink Drill is manufactured in China which allow us to have a competitive price, but the JNB Pro Requirements as the High Speed Steel M2 (6542 grade) Drill Bit and Carbon Steel #45 Cutters make the product have better or same quality as USA made. If for any reason your are not satisfied with the product you are invited to return or have product replaced. Your satisfaction is our goal. Broca Avellanadora Para Madera

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