13 best self tapping screws

Self-tapping screws are a type of fastener commonly used in various applications, particularly in construction, manufacturing, and DIY projects. These screws have a unique design that allows them to create their own threads as they are driven into a material, eliminating the need for pre-drilled holes. Here's what you need to know about self-tapping screws:

  1. Thread Design: Self-tapping screws have a sharp, pointed end that acts as a drill bit to cut into the material. They also feature threads along the shaft, which grip and secure the material as the screw is turned.

  2. Materials: Self-tapping screws are made from a variety of materials, including steel, stainless steel, brass, and even plastic, to suit different applications and environments. The choice of material depends on factors such as corrosion resistance and load-bearing requirements.

  3. Applications: These screws are used in a wide range of applications, such as assembling metal roofing, fastening wood and metal panels, securing plastics, and joining materials where a traditional nut and bolt setup might be impractical.

  4. Drive Types: Self-tapping screws come in different drive types, including Phillips, slotted, hex, Torx, and square drives.The choice of drive type depends on the tool you plan to use for installation.

  5. Sizes: Self-tapping screws are available in various lengths and diameters to accommodate different thicknesses of materials. Choosing the right size is crucial to ensure a secure and effective connection.

  6. Thread Types: There are various thread types for self-tapping screws, including fine threads and coarse threads. The thread type is selected based on the material being fastened and the desired level of grip.

  7. Pilot Hole: While self-tapping screws are designed to create their own threads, it's often recommended to create a pilot hole in harder materials like metal or hardwood. This can make it easier to start the screw and reduce the risk of breaking or stripping the threads.

  8. Drilling Speed: When using self-tapping screws, it's important to use the appropriate drilling speed and apply consistent pressure. This ensures that the screw can effectively cut into the material and create threads.

  9. Precautions: Using the wrong size or type of self-tapping screw or applying excessive force during installation can lead to damage to the screw or the material being fastened. It's important to choose the correct screw for your specific application.

Self-tapping screws are versatile and widely used in both industrial and DIY settings due to their ability to simplify fastening tasks by eliminating the need for pre-drilling holes. However, it's crucial to select the right type and size of self-tapping screw for your project to ensure a secure and reliable connection.

Below you can find our editor's choice of the best self tapping screws on the market
  

DYWISHKEY 320 Pieces 410 Stainless Steel #8#10#14 Hex Washer Head Self Drilling Sheet Metal Screws Assortment Kit

DYWISHKEY

Based on 167 reviews Check latest price

Product description

【Specifications:】

- Quantity: 320 PCS

- Head: Hex Washer Head

- Point Type: Self Drilling

- Material: 410 Stainless Steel

- Screw Type: Sheet Metal Screws

- Sizes: #8x1/2", #8x5/8", #8x3/4", #8x1", #10x1/2", #10x5/8", #10x3/4", #10x1", #10x1-1/4", #14x1-1/4", #14x1-1/2", #14x2"



【Features:】

1, 410 stainless steel: Stainless steel with superior rust resistant ensure long lasting results,corrosion resistance.

2, Sheet metal screws provide secure fastening with strong holding power without the need to pre-drill.



【Package Included:】

#8x1/2"--------40 Pieces

#8x5/8"--------40 Pieces

#8x3/4"--------30 Pieces

#8x1"----------30 Pieces

#8x1-1/4"------30 Pieces

#10x1/2"--------30 Pieces

#10x5/8"--------30 Pieces

#10x3/4"--------30 Pieces

#10x1"----------25 Pieces

#10x1-1/4"------20 Pieces

#14x1-1/4"------5 Pieces

#14x1-1/2"------5 Pieces

#14x2"----------5 Pieces



【Total: 320 Pieces 410 Stainless Steel #8 #10 #14 Hex Washer Head Self Drilling Sheet Metal Screws】



【Note: Small parts, keep away from children under 6 years old.】

  • 【HIGH QUALITY】--- Made of 410 stainless steel, which have superior rust resistance and excellent oxidation resistance, which can ensure long time using.
  • 【SIZES】--- #8x1/2", #8x5/8", #8x3/4", #8x1", #10x1/2", #10x5/8", #10x3/4", #10x1", #10x1-1/4", #14x1-1/4", #14x1-1/2", #14x2". Total 13 different sizes can meet your different needs.
  • 【MAGNETIC】--- The magnetic properties of 410 stainless steel due to the structure transformation reasons are not at the same level as the magnetic properties of stainless steel of other materials, which means that the magnetic properties of 410 steel always show magnetic properties.
  • 【PACKAGE】--- All of #8 #10 #14 Sheet Metal Screws are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. In order to avoid the screws being scattered or lost during use, we specially package for each different type of screws for your convenience and storage. Not only give you the best product, but also the best storage system for them.
  • 【WIDE APPLICATIONS】--- #8 #10 #14 Sheet Metal Screws Assortment Kit Serves a wide range of use and for professionals, amateurs, landlords, repairmen, other DIY . The set is perfect to replace broken and missing screws. When you are mad for the missing screws, it is a perfect friend for you. The kit has lots of different sizes, which can meet the maximum of requirement for you.

User questions & answers

Question: can these self tapping screws work on wood
Answer: I'm not a structural engineer and I've seen articles that say sheer strength of screws is not as great as nails, but with my experience the connections are very strong. If you are really concerned an extra faster should eliminate any worries.

WELLOCKS Drywall Screws 100 Pcs M4 x 1" Wood Screws Steel Colored Coated Bugle Head Coarse Phillips Sharp Point Fast Drilling Self Tapping Screw for Wood Drywall Sheetrock (D195)

WELLOCKS

Product description



Brand Concept:

WELLOCK is aim at getting a more dimensional and complete understanding of our customer to provide the wide varieties, complete and professional specifications hardware accessories in their daily life. Bring the sense of fulfillment and achievement and simplify their homemade work. There are many other hardware series in our store, we are welcome you to visit our store to one-stop shop for the accessories products you like. We will be deeply grateful that you can share us your opinion on our products which will be most important the motivation for us to improve ourselves and to be better.





Feature :

- Be made of 10B21 carbon steel material is dependable in performance.

- 290 pcs in one box, meet daily life needs, quality and quantity assured.

- Outstanding anti-rust capability and durable in use.

- Coming with storage box and hanging hole, convenient to storage at home.





Function:

If you are a homemade lover, it is a smart choice to prepare one box of our multi-sizes screws set at home. If you are not good at homemade work, you should not miss this screw assortment for this are most common use in our daily and mixed into one box.





Package Including:

M4 x 1" 100pcs

  • 【THE KING OF QUALITY】Quality and customer first is our principle, we adopt the stronger material 10B21 carbon steel rather than 1008 which is the most common material on the market. 10B21 is perfect at anti-abrasion, with a high tensile strength, and our screws are reaching 8.8 grade much better than normal 4.8 grade screws. With a stable and reliable quality, Wellocks screw set will be your best choice.
  • 【ENHANCED ANTI-RUST PREVENTION】This drywall screw assortment was add one more anti-rust producing process, and thicken the coating thickness to 2 μm to enhance the anti-rust capability, and we have passed over 38 hours salt spray test. That is say it can be used for 3 years in normal environment without rust is much more better 1 year common standard.
  • 【SUPERIOR TORSION FORCE】With the excellent material and heat treatment, the screws are amazing on torque force that #6 reaches 30 kgf.cm, #8 reaches 45 kgf.cm, #10 reaches 60 kgf.cm. It is much more powerful, can meet the routine needs. You will be not puzzled by the problem of screw cracking and breaking any more and be surprised by its long-service life ability.
  • 【ENVIRONMENTAL SURFACE TREATMENT】 We are strict accordance with ROSH standard to make sure each part we send to our customers should be safe and environmental. The screws are coating by Cr3 white zinc that is harmless surface treatment and safe to use.
  • 【MULTIFUNCTIONAL IN DAILY LIFE】 Wood screws are widely used at home and office like furniture repair, application repair, homemade and home installation. We have researched the common used size like #6, #8 and #10 at home in our daily life, and make them into a mix-sizes box, so this screw assortments can meet your daily needs. When you need to repair your door or install your new book shelf, you cannot find a piece of spare screw that will drive you crazy.

Hilitchi 410 Stainless Steel #8 Hex Washer Head Self Drilling Sheet Metal Tek Screws Assortment Kit Set with Drill Point, Self Driller, 200 Pieces

Hilitchi

Based on 633 reviews Check latest price

Product description

【Hex Wafer Head】Self Drilling Screws: https://www.amazon.com/dp/B01J3M1KX6

【#8 Flat Head】Self Drilling Screws: https://www.amazon.com/dp/B07352HHB8

【#8 Wafer Head】Phillips Self Drilling Screws: https://www.amazon.com/dp/B073531BV6

【#8 Pan Head】Phillips Self Drilling Screws: https://www.amazon.com/dp/B0734YL7HT



Hilitchi 200 Pcs High Quality 410 Stainless Steel Self Drilling Screws Assortment Kit

【Specifications】

● Screw Type: Hex Washer Head

● Material: 410 Stainless Steel

● Color: Silver tone

● Package Quantity: 200-Piece

● The Package Contains 6 Sizes

● Size Included: #8 x 1/2'', #8 x 1/2'', #8 x 5/8'', #8 x 3/4'', #8 x 1'', #8 x 1-1/4'', #8 x 1-1/2''



【Features】

● 410 stainless steel has high strength and hardness ratings and resists corrosion in mild environments

● It is wood drill tail screw, mainly used in steel structure caigang watt fixed can also be used for fixing the simple construction of the sheet material.

● Teks self-tapping screws provide secure fastening with strong holding power without the need to pre-drill.



【Package Included】

- #8 x 1/2'' - 40pcs

- #8 x 5/8'' - 40pcs

- #8 x 3/4'' - 35pcs

- #8 x 1'' - 35pcs

- #8 x 1-1/4'' - 20pcs

- #8 x 1-1/2'' - 20pcs

【Package Quantity】200pcs

This set is organized by size in a transparent storage case for quick access and protection.



  • High Quality Stainless steel self drilling screws kit
  • Screw type: phillips drive hex washer head self drilling screws
  • Material: High quality 410 stainless steel, Stainless steel with superior rust resistant ensure long lasting results
  • Package quantity: 200 Pieces, Sizes include: #8 x 1/2'', #8 x 1/2'', #8 x 5/8'', #8 x 3/4'', #8 x 1'', #8 x 1-1/4'', #8 x 1-1/2''
  • Comes in a handy Plastic organizer case with size compartments for easy storage

SNUG Fasteners 100 Qty #8 x 3/4" Zinc Wafer Modified Truss Head TEK Self Drilling Sheet Metal Screws (SNG73)

SNUG Fasteners

Based on 131 reviews Check latest price

Product description

Quantity: 100 #8 x 3/4" Screws. Drive Type:  Wafer Modified Truss Head. Material:  Zinc Plated Carbon Steel. Use: Wood. Thread Type: Fine Deep Thread.

  • Quantity: 100 #8 x 3/4" Screws
  • Drive Type:  Wafer Modified Truss Head
  • Material:  Zinc Plated Carbon Steel
  • Use: Wood
  • Thread Type: Fine Deep Thread

SNUG Fasteners (SNG134) 300 Qty #8 x 1/2" Zinc Wafer Modified Truss Head TEK Self Drilling Sheet Metal Screws

SNUG Fasteners

Based on 52 reviews Check latest price

Product description

Quantity: 300 #8 x 1/2" Screws. Drive Type: Wafer Modified Truss Head. Material: Zinc Plated Carbon Steel. Use: Metal. Thread Type: Fine Thread.

  • Quantity: 300 #8 x 1/2" Screws
  • Drive Type: Wafer Modified Truss Head
  • Material: Zinc Plated Carbon Steel
  • Use: Metal
  • Thread Type: Fine Thread

User questions & answers

Question: Do these rust
Answer: I’m sure they would work but they’re meant for sheet metal.

SNUG Fasteners (SNG136) 300 Qty #8 x 1 Zinc Wafer Modified Truss Head TEK Self Drilling Sheet Metal Screws

SNUG Fasteners

Based on 24 reviews Check latest price

Product description

Quantity: 300 #8 x 1" Screws. Drive Type:  Wafer Modified Truss Head. Material: Zinc Plated Carbon Steel. Use:  Metal. Thread Type: Fine Thread.

  • Quantity: 300 #8 x 1" Screws
  • Drive Type:  Wafer Modified Truss Head
  • Material: Zinc Plated Carbon Steel
  • Use:  Metal
  • Thread Type: Fine Thread

SNUG Fasteners (SNG75) 100 Qty #10 x 3/4" Zinc Wafer Modified Truss Head TEK Self Drilling Sheet Metal Screws

SNUG Fasteners

Based on 55 reviews Check latest price

Product description

Quantity: 100 #10 x 3/4" Screws. Drive Type:  Wafer Modified Truss Head. Material: Zinc Plated Carbon Steel. Use:  Metal. Thread Type: Fine Thread.

  • Quantity: 100 #10 x 3/4" Screws
  • Drive Type:  Wafer Modified Truss Head
  • Material: Zinc Plated Carbon Steel
  • Use:  Metal
  • Thread Type: Fine Thread

Hilitchi 410 Stainless Steel Wafer Head Phillips Self Drilling Screws Sheet Metal Tek Screws Assortment Kit, Modified Truss Head Self Driller - Size: #8 x 1/2" ~ #8 x 1-1/2" (Pack of 240)

Hilitchi

Based on 767 reviews Check latest price

Product description

【Hex Wafer Head】Self Drilling Screws: https://www.amazon.com/dp/B01J3M1KX6

【Flat Head】Self Drilling Screws: https://www.amazon.com/dp/B07352HHB8

【Wafer Head】Phillips Self Drilling Screws: https://www.amazon.com/dp/B073531BV6

【Pan Head】Phillips Self Drilling Screws: https://www.amazon.com/dp/B0734YL7HT



Hilitchi 240 Pcs High Quality 410 Stainless Steel Self Drilling Screws Assortment Kit



Specifications:

● Screw Type: Wafer Head, Phillips Drive

● Material: 410 Stainless Steel

● Color: Silver tone

● Package Quantity: 240-Piece

● The Package Contains 6 Sizes

● Size Included: #8 x 1/2'', #8 x 5/8'', #8 x 3/4'', #8 x 1'', #8 x 1-1/4'', #8 x 1-1/2''



Features:

● 410 stainless steel has high strength and hardness ratings and resists corrosion in mild environments

● It is wood drill tail screw, mainly used in steel structure caigang watt fixed can also be used for fixing the simple construction of the sheet material.

● Teks self-tapping screws provide secure fastening with strong holding power without the need to pre-drill.



Package Included:

- #8 x 1/2'' - 50pcs

- #8 x 5/8'' - 50pcs

- #8 x 3/4'' - 40pcs

- #8 x 1'' - 40pcs

- #8 x 1-1/4'' - 30pcs

- #8 x 1-1/2'' - 30pcs

Package Quantity: 240pcs

This set is organized by size in a transparent storage case for quick access and protection.

  • ♛ High-quality 410 Stainless Steel Self Drilling Screws Assortment Kit
  • ♛ Material: 410 Stainless Steel; Screw Type: Wafer Head, Phillips Drive
  • ♛ Packing Quantity: 240pcs, Packed in A Rugged Convenient Re-sealable Plastic Storage Case.
  • ♛ The Package Contains 6 Sizes, Included: #8 x 1/2'', #8 x 5/8'', #8 x 3/4'', #8 x 1'', #8 x 1-1/4'', #8 x 1-1/2'';
  • ♛ Self-Drilling screws. It is wood drill tail screw, mainly used in steel structure caigang watt fixed can also be used for fixing the simple construction of the sheet material.

User questions & answers

Question: What are the screws made of it says stainless steel in add but reviewer said aluminum
Answer: No!
Question: Does this type of screw work to attach something to a steel beam
Answer: Not these. I tried them on my metal studs and they’re a no go. U need in wall anchors
Question: what size screw are good interor walls with metal studs
Answer: Should work great, just don`t over spin them.
Question: Is this the type of screw needed to attach wood to metal ? Looking to attach wood strips inside van
Answer: Eventually over time and moisture I'm sure they will! The tech screws I used in my utility trailer have not rusted in 11 years, they look the same as these! Time will tell< They only tarnish when used in Angle iron. The hole gets bigger from rust ! Hope This info Helps... I Like'em... Not for use in wood ! Cheer's Steve

500 Pcs Phillips Truss Head Sheet Metal Self Tapping Screw 18-8 (#8 x 1", Black)

King Auto Parts

Based on 35 reviews Check latest price

Product description

Phillips Truss Head Sheet Metal Self Tapping Screw 18-8 Stainless Steel #8

A Truss head self-tapping screw threaded from tip to head, and used without a nut for fastening lapped sheet metal and some other materials.

Features:

Screw Body Size : #8 (0.168 - 0.162)

Head Height : 0.118"

Head Diameter : 0.384"

Drive Type : Phillips #8

Material : 18-8 STAINLESS STEEL

Min. Thread Length : Fully Threaded

Max. Thread Length : Fully Threaded

Hardness : 99 ROCKWELL B

Package Quantity : 500

Common Fastener Label Definitions

"Stainless Steel" - With the addition of 12% chromium to iron, stainless steel is formed. The chromium protects the iron against most corrosion or red colored rust; thus the term "stainless steel". The ability of stainless to form a thin layer of protection on its outside surface, called a "passive film", is its most important characteristic in preventing corrosion.

"18-8" - 300 series stainless steel having approximately (not exactly) 18% chromium and 8% nickel. The term "18-8" is used interchangeably to characterize fasteners made of 302,302HQ,303,304,384, XM7, and other variables of these grades with close chemical compositions. There is little overall difference in corrosion resistance among the 18-8 types, but slight differences in chemical composition do make certain grades more resistant than others against particular chemicals or atmospheres.

Tensile Strength - A common measure to compare the strength of a fastener. It is the load needed to pull the fastener apart.

  • Screw Body Size : #8 (0.168 - 0.162)
  • Material : 18-8 STAINLESS STEEL
  • Package Quantity : 500
  • Phillips Truss Head Sheet Metal Self Tapping Screw

1000) Hex Washer Head #10 X 3/4 Self-Drilling Tek Screw Ihw #3 Point

WARREN FASTENINGS SOUTH

Based on 37 reviews Check latest price

Product description

Lot Of (1000) Indented Hex Washer Head Self-Drilling Screws.These Zinc Plated Fasteners Are #10 Thread And Are 3/4" In Length With A 5/16" Hex And #3 Drill Point.

User questions & answers

Question: is it 1000 screws for
Answer: They are stainless steel for sure. I used them to secure parts in my vinyl fencing.

Hilitchi 220-Pieces Zinc Plated Hex Washer Head Self Drilling Sheet Metal Tek Screws Assortment Kit

Hilitchi

Based on 496 reviews Check latest price

Product description

High quality hex washer head self drilling screw.



This 220-Piece self tapping hex screw assortment is ideal for thicker gauge metal to metal in applications such as air conditioning, ventilation, and heating. Each piece is constructed with zinc plated steel for corrosion resistance.



Set includes 8 most-used sizes:

35 pieces #8 x 1/2-Inch

35 pieces #8 x 5/8-Inch

35 pieces #8 x 3/4-Inch

35 pieces #8 x 1-Inch

20 pieces #10 x 1/2-Inch

20 pieces #10 x 5/8-Inch

20 pieces #10 x 3/4-Inch

20 pieces #10 x 1-Inch

Total: 220 pieces



Set organized by size/type in a transparent organizer case with snap-close cover for easy storage.

  • High quality hex washer head self drilling screw
  • Zinc plated carbon steel to resist rust and corrosion
  • #8 Screw with hex head size of 1/4", #10 screw with hex head size of 5/16"
  • A large assortment 8 of the most-used sizes is provided by this set to help save money
  • This set is organized by size/type in a transparent storage case for quick access and protection

User questions & answers

Question: just wants 1/4" head and 3/4" length
Answer: Yes

8 x 1/2" Phillips Modified Truss Head Self-Drilling Tek Screw, Zinc-Plated Steel for Sheet Metal Attaches Wire Lath to Metal Studs - Box of 100

Strong-Point

Based on 770 reviews Check latest price

Product description

Phillips Modified Truss Head Self-Drilling Screw #8 X 1/2'', Zinc-Plated Steel

For use in Sheet Metal Steel, Attaches Wire Lath to Metal Studs or Metal to Metal or Aluminum



   Packaged box of 100 pcs.

   #8 x 1/2'' Screw



PRODUCT FEATURES:

    Extra-Wide Rounded Truss Head distributes holding pressure to reduce the risk of crushing thin metal.

    Use these screws to secure metal wire to steel framing.

    Save Time and Effort by drilling their own holes and fastening in a single operation.

    Made from Steel, they have a Zinc Plating to resist corrosion in weather environments.





SPECIFICATIONS:

    #8-18 Thread x 1/2" Long, Modified Truss Head

    Material: Zinc-Plated Stainless Steel

    Drill Capacity: 0.035'' to 0.100''

    Drill Speed:     2500 RPM



    Meets ASTM C 1513 for cold-formed steel framing connections

    Meets F.I.P.-1000.7 for torsional strength & drill speed

    Meets SAE J78 for Performance & Dimensional Specifications

    ICC-ES Evaluation Report: ESR-3528

    Meets ASTM A 510 for carbon steel manufacturing

    RoHS Compliant





SCREW DIMENSIONS:

    Diameter: #8 (0.164'')

    Length:       1/2''

    Head Height:        0.097''

    Flange Diameter: 0.44''

    Drill Tip Length:   3/16''





HIGH QUALITY - 100% Satisfaction Guaranteed

  • HIGH QUALITY ZINC-PLATED STEEL: Phillips Modified Truss Head Sheet Metal Screw made of 100% high quality durable steel with hard Zinc Plating, built to last years with no wear and tear
  • RUST RESISTANT: Zinc Plating provides an excellent corrosion resistant shell for a long lasting cost effective fastener
  • CONVENIENCE: Phillips Modified Truss Head Sheet Metal Screws are known to be convenient and versatile. Great to have while working with sheet metal environment. Suitable for indoor and outdoor applications
  • For use in Sheet Metal Steel, Attaches Wire Lath to Metal Studs or Metal or Aluminum to Metal or Aluminum. Installed with #2 Phillips Driver
  • Amazon Protected Money-Back Satisfaction Guaranteed

User questions & answers

Question: Enclosed trailer pannels coming off because of heat. What screw would work. Trailer is all aluminum
Answer: As long as the length is ok these should work fine. I mounted some brackets inside a covered trailer and they are holding up well. Screwed into sheet metal.
Question: Would this be an ideal screw to secure a sheet metal bracket to the exterior of my truck?? If not, suggestions
Answer: If it’s metal to metal these are great. When you say cb exactly what do you mean?
Question: Best for cb bracket mounting
Answer: If it sticks out you can grind them down.
Question: What kind of fastener can i use with these? I am using them to screw into my horse trailer but I don't want the sharp end stick out the other side
Answer: I believe theres both not 100% would have to look

Hilitchi 295 Pieces #8 / #10 / #14 Stainless Hex Washer Head Self Drilling Sheet Metal Tek Screws with Drill Point (1/2'' to 2'' Size Inside Plastic Box)

Hilitchi

Based on 284 reviews Check latest price

Product description

【Hex Wafer Head 】Self Drilling Screws: https://www.amazon.com/dp/B01J3M1KX6

【Flat Head 】Self Drilling Screws: https://www.amazon.com/dp/B07352HHB8

【Wafer Head】 Phillips Self Drilling Screws: https://www.amazon.com/dp/B073531BV6

【Pan Head】 Phillips Self Drilling Screws: https://www.amazon.com/dp/B0734YL7HT



High Quality 304 Stainless steel self-drilling screws kit



Screw type:

Hex washer head self drilling screws



Material:

High quality 304 stainless steel, Stainless steel with superior rust resistant ensure long lasting results



Package quantity: 295 Pieces

Set include:

#8 * 1/2''------------------30 Pieces

#8 * 5/8''------------------30 Pieces

#8 * 3/4''------------------30 Pieces

#8 * 1/''--------------------30 Pieces

#8 * 1-1/4''----------------20 Pieces

#10 * 1/2''-----------------30 Pieces

#10 * 5/8''-----------------30 Pieces

#10 * 3/4''-----------------30 Pieces

#10 * 1/''-------------------30 Pieces

#10 * 1-1/4''---------------20 Pieces

#14 * 1-1/4''----------------5 Pieces

#14 * 1-1/2''----------------5 Pieces

#14 * 2''----------------------5 Pieces



Comes in a handy Plastic organizer case with size compartments for easy storage

  • High-quality stainless steel self drilling screws
  • Screw type: phillips drive hex washer head self drilling screws
  • Package quantity: 295 Pieces
  • Sizes include: #8 series, #10 series, #14 series
  • Material: High quality 304 stainless steel, Stainless steel with superior rust resistant ensure long lasting results

User questions & answers

Question: Is this austenitic
Answer: They were SAE (american standard)
Question: what size are the hex heads? are they metric or standard
Answer: I think this would be a perfect screw for your application

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