12 best boring bars
Boring bars are essential cutting tools used in machining processes, particularly for creating holes or enlarging existing holes in metal and other materials. They are widely used in industrial settings and are crucial for precision machining operations. Here's what you should know about boring bars:
Function: Boring bars are designed to remove material from the interior of a workpiece to create or refine a cylindrical hole. They are commonly used in applications where high precision and accuracy are required.
Indexable Inserts: Many boring bars feature indexable inserts. These inserts are the cutting edges of the tool and are typically made from hard materials like carbide or high-speed steel. They can be replaced when worn or damaged, extending the life of the tool.
Variety of Styles: Boring bars come in various styles to accommodate different machining requirements. Some common styles include:
Solid Boring Bars: These are one-piece tools with integrated cutting edges. They are suitable for smaller-scale machining operations.
Cartridge Boring Bars: These have replaceable cartridges that hold the indexable inserts. They allow for easy tool changes and adjustments.
Twin Cutter Boring Bars: These tools have two cutting edges and are often used for roughing and semi-finishing operations.
Adjustability: Boring bars are adjustable, allowing machinists to control the diameter and depth of the hole being machined. This adjustability is crucial for achieving precise dimensions.
Coolant Delivery: Many boring bars are designed with built-in channels for coolant delivery.Coolant helps dissipate heat and remove chips from the cutting area, improving tool life and surface finish.
Compatibility: Boring bars are used in conjunction with various types of machine tools, such as lathes, milling machines, and boring machines. The choice of boring bar depends on the specific machining task and the machine being used.
Material Compatibility: Boring bars are suitable for machining a wide range of materials, including metals like steel, aluminum, and cast iron, as well as plastics and composites.
Surface Finish: Boring bars are capable of producing high-quality surface finishes, which is important in applications where smooth and precise holes are required.
Safety Considerations: Proper safety measures must be followed when using boring bars, including wearing appropriate personal protective equipment and ensuring the workpiece is securely clamped to prevent accidents.
In summary, boring bars are essential cutting tools used in machining to create or refine cylindrical holes with precision and accuracy. They come in various styles and are often equipped with indexable inserts to facilitate efficient cutting and extended tool life. Machinists use them in a variety of industrial applications to produce high-quality holes in workpieces.
Below you can find our editor's choice of the best boring bars on the marketProduct description
SCLCR1010H06
Shank H*W: 3/8"=10mm
Overall length: 4"/100mm
Wrench: T8
Screw Size: M2.5*6
S10K-SCLCR06
Shank Diameter: 3/8"=10mm
Overall length: 5"/125mm
Wrench: T8
Screw Size: M2.5*6
CCMT 21.51 Inserts
L:6.4mm
S: 6.35mm
D: 2.8mm
R: 0.4mm
Features:
- Practical and a variety of processing environments, even in very dirty environments such as also has good features;
- User clamping and convenient way to replace, a wrench to complete the replacement of the knife blade and pad;
- Accessories steel is good, long life, reducing the user cost of the tool.
Packing Included:
1pc SCLCR1010H06 Holder
1pc S10K-SCLCR06 Holder
2pcs Wrench
10pcs CCMT 21.51 Inserts
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- 【1】Package: 1pc SCLCR 1010H06 + 1pc S10K-SCLCR06 + 10pcs CCMT 21.51
- 【2】For holders: Lathe Turning Tool, Material: Carbide Alloy, Model: SCLCR1010H06 and S10K-SCLCR06, Angle: 95 Degree, Wrench: T8
- 【3】Blade Size: CCMT 21.51, Suitable For: Semi-Finishing, Finishing, Features: Durable, Long Service Life, Practical
- 【4】User clamping and convenient way to replace, a wrench to complete the replacement of the knife blade and pad
- 【5】Packed in three boxes for easy storage.
- ♥package : 1pc S20R-MWLNR08 boring bar+ 10pcs WNMG432 carbide insert + 1pc wrench.
- ♥ S20R-MWLNR08 turning boring bar : the cutting direction:right hand , the turning tool bar is made of high-quality alloy steel with Nickel Cotated,which can effectively improve the wear resistance, corrosion resistance and stability of the turning tool bar, for long time use.
- ♥WNMG432 carbide insert : inserts are made of carbide and the coating material is TiN ,it can be used for finishing or semi finishing steel ,the inserts has high hardness, low friction coefficient, good wear resistance and chemical stability .
- ♥The carbide inserts and turning boring bar are packed in plastic containers, safe and easy to store .
Product features
Package :1PCS 3/4" S20R-MWLNR08 boring bar + 10PCS WNMG432 turning insert
- ---------S20R-MWLNR08 boring bar
- Material : alloy steel , Coating : nickel .
- Cutting direction : right hand.
- Shank Diameter × Overall Length : 3/4 "×8" .
- Pin : MCT 613 , Clamp : HL1810 , wrench : L3.0
- ---------WNMG432 turning inserts
- Material : carbide , Coating : TiN.
- Used for :For finishing or semi finishing steel.
Product description
3pcs. 5/16" minimum bore (1 ea. 3/4" bore depth x 2-1/4" overall, 1 ea. 1-1/8" x 2-5/8", & 1 ea. 1-1/2" x 3")
3pcs. 7/16" minimum bore (1 ea. 1-1/8" bore depth x 2-5/8" overall, 1 ea. 1-11/16" x 3-3/16", & 1 ea. 2-1/4" x 3-3/4")
3pcs. 9/16" minimum bore (1 ea. 1-1/2" bore depth x 3" overall, 1 ea. 2-1/4" x 3-3/4", & 1 ea. 3" x 4-1/2")
- 3pcs. 5/16" minimum bore (1 ea. 3/4" bore depth x 2-1/4" overall, 1 ea. 1-1/8" x 2-5/8", & 1 ea. 1-1/2" x 3"), 3pcs. 7/16" minimum bore (1 ea. 1-1/8" bore depth x 2-5/8" overall, 1 ea. 1-11/16" x 3-3/16", & 1 ea. 2-1/4" x 3-3/4"), 3pcs. 9/16" minimum bore (1 ea. 1-1/2" bore depth x 3" overall, 1 ea. 2-1/4" x 3-3/4", & 1 ea. 3" x 4-1/2")
- 9 Piece boring bar set features C-6 carbide for use in harder materials but also works great in aluminum and other soft metals All shanks are held to 0.0000-0.0005" from the nominal diameter and made of special heat treated alloy steel. Shank Diameter- 1/2"
- With Woodstand
- Sclcr Boring Bar 1/2" Shank Diameter, Overall Length 7”
- Insert Material: made of solid carbide with Multilayer coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance
- Used for Turning internal hole, reaming, copying,etc.,used for semi-finishing on the existing hole cutter,fit boring machine, lathe machine
- CCMT09t304(CCMT32.5) Carbide Inserts 80 degree,negative 5 degree end & side cutting angle
- Replacement insert for this kit ,please search the Asin of this item:B07W7PVWR1 to buy it
Product features
Size:
Used for
Bar holders are made of high quality steel with coated, inserts with Tin-coated are made of carbide,moistureproof, rust-proof,for long time use.
Boring can be done on mills, lathes or drill press machines, either with a boring head or with just a boring tool.
Used for Turning internal hole, reaming, copying,etc., specially used for semi-finishing on the existing hole cutter,fit boring machine, lathe machine
Carbide Insert:
We also provide Carbide Insert CCMT32.51(CCMT09T304) for this kit
Please search the Asin of this item B07W7PVWR1 to buy it.
- Material :High quality Steel Durable for Long Time Use: Imported main part, the bar holder adopts imported 40Cr material
- Package Include : VerRich 3pc SCLCR lathe boring bar set(S07K-SCLCR06, S10K-SCLCR06, S12M-SCLCR06), 10pcs CCMT0602 Inserts, 3pcs Wrench. Comes with individual package, packed in Plastic box with Size mark on the box
- Lead Cutting Angle: 95 Degree, Direction: Right Hand,Insert: CCMT0602, Clear mark on the wrench, easy to identify bar holder
- Widely Use: Tightly impacted bolt, simple structure, often used for small hole machining.
- QUALITY ASSURANCE: factory whole price, 1 years quality warranty, replace or refund are both provided for its quality. Any problem, please contact us for quickly response
User questions & answers
Question: | What size screw is used to hold the inserts? Are they available for purchase separately |
Answer: | Package Includes : 1PC SNR0013M16 tool holders+ 1PC SER1616H16 tool holders, 5pcs 11ER AG60 Carbide Insert+5pcs 11IR AG60Carbide Insert. Comes with individual package, packed in Plastic box with Size mark on the box |
Question: | The picture shows 2 different ser1616h16 tool holders? one is with tool support one is not. which one is in this kit |
Answer: | Sorry, it can't be used with wood. |
Question: | Can this be used with wood |
Answer: | These are typically used in metal lathes. |
Question: | Can these be used on wood? Or only metal |
Answer: | I don't see why not. Use some cutting oil on the bit and it makes things a lot happier. |
Product features
VerRich 3pcs Boring Bars Turning Tools Holder Set
Material :High quality Steel Durable for Long Time Use: Imported main part, the bar holder adopts imported 40Cr material.
Widely Use: Tightly impacted bolt, simple structure, often used for small hole machining.
Wrench
CCMT0602 Carbide Inserts
3pcs Boring Bars
Size
Shank D:
S07K-SCLCR06: 7mm/0.27"
S10K-SCLCR06: 10mm/0.39"
S12M-SCLCR06: 12mm/0.46"
Overall L:
S07K-SCLCR06: 125mm/4.92"
S10K-SCLCR06: 125mm/4.92"
S12M-SCLCR06: 150mm/5.91"
Package included
1 x S07K-SCLCR06 Boring Bar
1 x S10K-SCLCR06 Boring Bar
1 x S12M-SCLCR06 Boring Bar
10 x CCMT0602 Insert 3 x Wrenches
(The color of package box is at random)
- Sclcr Boring Bar 5/8" Shank Diameter, Overall Length 8”
- Insert Material: made of solid carbide with Multilayer coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance
- Used for Turning internal hole, reaming, copying,etc.,used for semi-finishing on the existing hole cutter,fit boring machine, lathe machine
- CCMT09t304(CCMT32.5) Carbide Inserts 80 degree,negative 5 degree end & side cutting angle
- Packing:1 pc 5/8'' x 8'' RH SCLCR Indexable Boring Bar with 10pcs carbide inserts CCMT09T304(CCMT32.5)
Product features
Size:
Used for
Bar holders are made of high quality steel with coated, inserts with Tin-coated are made of carbide,moistureproof, rust-proof,for long time use.
Boring can be done on mills, lathes or drill press machines, either with a boring head or with just a boring tool.
Used for Turning internal hole, reaming, copying,etc., specially used for semi-finishing on the existing hole cutter,fit boring machine, lathe machine
Carbide Insert CCMT09T304(CCMT32.51)
Thickness: 5/32 inch
Hole: 11/64 inch
Radius: 1/64 inch
- Sclcr Boring Bar 3/4" Shank Diameter, Overall Length 10”
- Insert Material: made of solid carbide with Multilayer coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance
- Used for Turning internal hole, reaming, copying,etc.,used for semi-finishing on the existing hole cutter,fit boring machine, lathe machine
- CCMT09t304(CCMT32.5) Carbide Inserts 80 degree,negative 5 degree end & side cutting angle
- Replacement insert for this kit ,please search the Asin of this item:B07W7PVWR1 to buy it
User questions & answers
Question: | Will this wirk in a 3/4" round boring head? Thank you |
Answer: | The kit has included 4 Black Bar holders, 4 Red T8 Wrench and 10pcs inserts. They could be used directly. The Wrench, the holder and the inserts all could be purchased separately. If you need to buy in the future, you could send email to [email protected] |
Product features
Size:
Used For:
Bar holders are made of high quality steel with coated, inserts with Tin-coated are made of carbide,moistureproof, rust-proof,for long time use.
Boring can be done on mills, lathes or drill press machines, either with a boring head or with just a boring tool.
Used for Turning internal hole, reaming, copying,etc., specially used for semi-finishing on the existing hole cutter,fit boring machine, lathe machine
Replacement Carbide Insert CCMT09T304(CCMT32.51):
We also provide replace carbide insert for this boring bar ,please search the Asin B07W7PVWR1 to buy it
Product description
Specification:
Part Number: S20R-MWLNR08; WNMG432.
S20R-MWLNR08 turning tool holder:
Material: alloy steel
Coating: nickel
Cutting direction: right hand.
Shank Diameter × Overall Length: 3/4 "×8".
Pin: MCT 613.
Clamp: HL1810.
Wrench: L3.0.
WNMG432 turning inserts:
Material: carbide.
Coating: Tin.
Used for: For finishing or semi finishing steel.
Lathe BORING BAR SET – Each package includes 1pc S20R-MWLNR08 boring bar, 10pcs WNMG432 carbide inserts + 2pcs wrenches.
S20R-MWLNR08 turning tool holder - Shank Diameter × Overall Length: 3/4 "×8". Cutting direction: right handed. The turning tool bar is made of high-quality alloy steel with Nickel coating, which can effectively improve the wear resistance, corrosion resistance and stability of the turning bar, for long time use.
WNMG432 Carbide Inserts – BEAMNOVA turning inserts are made of carbide with tin material coating, which can be used to finish or semi finish steel. Such inserts parts feature high hardness, low friction coefficient, good wear resistance and chemical stability.
EASY TO STORE – The turning inserts are packaged in a plastic organizer box for easy storage and operation. The items will be well packed to insure against loss or damage.
Packing includes:
1 X S20R-MWLNR08 Boring Bar;
10 X WNMG432 Carbide Insert;
2 X Wrench.
Note:
1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.
2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.
- Lathe BORING BAR SET – Each package includes 1pc S20R-MWLNR08 boring bar, 10pcs WNMG432 carbide inserts + 2pcs wrenches.
- S20R-MWLNR08 turning tool holder - Shank Diameter × Overall Length: 3/4 "×8". Cutting direction: right handed. The turning tool bar is made of high-quality alloy steel with Nickel coating, which can effectively improve the wear resistance, corrosion resistance and stability of the turning bar, for long time use.
- WNMG432 Carbide Inserts – BEAMNOVA turning inserts are made of carbide with tin material coating, which can be used to finish or semi finish steel. Such inserts parts feature high hardness, low friction coefficient, good wear resistance and chemical stability.
- EASY TO STORE – The turning inserts are packaged in a plastic organizer box for easy storage and operation. The items will be well packed to insure against loss or damage.
- Packing includes: 1 X S20R-MWLNR08 Boring Bar; 10 X WNMG432 Carbide Insert; 2 X Wrench.
Product description
Description?
- Shank Diameter- 5/8"
- Minimum Boring Range: 5/16" - 11/16" (see below)
- Overall Length: 2-1/4" to 5-1/4" (see below)
- Boring Depth Range: 3/4" to 3-3/4" (see below)
- Contains pcs. 5/16" minimum bore (1 ea. 3/4" bore depth x 2-1/4" overall, 1 ea. 1-1/8" x 2-5/8", & 1 ea. 1-1/2" x 3")
- Contains pcs. 7/16" minimum bore (1 ea. 1-1/8" bore depth x 2-5/8" overall, 1 ea. 1-11/16" x 3-3/16", & 1 ea. 2-1/4" x 3-3/4")
- Contains pcs. 9/16" minimum bore (1 ea. 1-1/2" bore depth x 3" overall, 1 ea. 2-1/4" x 3-3/4", & 1 ea. 3" x 4-1/2")
- Contains pcs. 11/16" minimum bore (1 ea. 1-7/8" bore depth x 3-3/8" overall, 1 ea. 2-13/16" x 4-5/16", & 1 ea. 3-3/4" x 5-1/4")
Features?
- C-6 Carbide for use in harder materials but also works great in aluminum and other soft metals
- All shanks are held to 0.0000-0.0005" from the nominal diameter and made of special heat treated alloy steel
Package Includes?12 pcs Boring bar set
- Shank Diameter- 5/8
- All shanks are held to 0.0000-0.0005" from the nominal diameter and made of special heat treated alloy steel?
- Minimum Boring Range: 5/16" - 11/16" (see below)
- Overall Length: 2-1/4" to 5-1/4" (see below)
- Boring Depth Range: 3/4" to 3-3/4" (see below)
- ◥Three Indexable Boring Bar: including S07K-SCLCR06, S10K-SCLCR06, S12M-SCLCR06
- ◥High quality Steel Durable for Long Time Use: Imported main part, the bar holder adopts imported 40Cr material
- ◥Lead Cutting Angle: 95 Degree, Direction: Right Hand,Insert: CCMT0602, Clear mark on the wrench, easy to identify bar holder, comes with individual package, packed in polyethylene box with mark on the box
- ◥Widely Use: Tightly impacted bolt, simple structure, often used for small hole machining.
- ◥What You Get: Yosoo 3pc SCLCR lathe boring bar set, 10pcs CCMT0602 Inserts, 3pcs Wrench and carry box, Yosoo worry free guarantee and friendly customer service
User questions & answers
Question: | Is the smallest bar small enough to bore an 8mm hole |
Answer: | You can by the inserts separate here on amazon. It took me a few mins to find the ones that match my cutters. |
Question: | Do you offer just the inserts |
Answer: | the insert is a carbide indexable insert ISO CCMT0602 |
Question: | Fits this insert carbide,for boring |
Answer: | Dear customer, amazon does offer the CCMT0602 insert, but they always come withe other product like lathe boring internal turning bar holder. Maybe you can try Hardware store. |
Question: | Ccmt0602 insert where can i buy more of these inserts? does amazon offer them |
Answer: | Yes |
Product features
Specification
- Lead cutting angle: 95 degree
- Direction: right hand
Product description
3/8" Boring Bar Set Pro Quality 9 Pcs Carbide Tipped Bars 3/8" Shank Lathe Tool
- Our Part # ALL-11920
- 9 Piece boring bar set features C-6 carbide for use in harder materials but also works great in aluminum and other soft metals All shanks are held to 0.0000-0.0005" from the nominal diameter and made of special heat treated alloy steel. Shank Diameter- 3/8".
- Contains: pcs. 5/16" minimum bore (1 ea. 3/4" bore depth x 2" overall, 1 ea. 1-1/8" x 2-3/8", & 1 ea. 1-1/2" x 2-3/4");
- Contains: pcs. 3/8" minimum bore (1 ea. 15/16" bore depth x 2-3/16" overall, 1 ea. 1-13/32" x 2-21/32", & 1 ea. 1-7/82" x 3-1/8"); pcs. 7/16" minimum bore (1 ea. 1-1/8" bore depth x 2-3/8" overall, 1 ea. 1-11/16" x 3-15/16", & 1 ea. 2-1/4" x 3-1/2"
User questions & answers
Question: | Does this come with a relief and thread cutter |
Answer: | The end measures 7.79mm |
- Round shanks allow the operator to set positive or negative rake. indexing the insert
- Chip breaker eliminates long stringer chips. It is not necessary to remove tool from chuck or tool post
- A new cutting edge may be presented by simply. Screw Down Style.
- Positive Rake 90Degree Lead. Uses 0.050" key. C6 grade: carbide for steel and alloy steel.
- 1/4" I.C. carbide inserts fit all bars. Radius = 0.015”. Key = T8. Shank: 1/2". Piece per set: 4.
User questions & answers
Question: | the index inserts positive or negative |
Answer: | yes with the correct size of the boring head. |
Question: | Can these be used in a boring head |
Answer: | No. |
Product features
Specifications
- Positive Rake 90° Lead
- Uses 0.050" key
TCMT 21.51 Inserts
- Part Number: 2124-1028x10
- 10 Pcs Carbide Inserts
- Tin Coated, C6 Grade Coated
- 1/4'' I.C.
- Radius: 0.015''
- ANSI #: TCMT21.51
- ISO Designation: TCMT110204
TCMT 221 Inserts
- Part Number: 2224-0193x10
- 10 Pcs Carbide Inserts
- Tin Coated, C6 Grade Coated
- 1/4'' I.C.
- Radius: 0.015''
Recommend Accusize Boring Head - Sold separately on Amazon.com
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