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About Tapping Screws
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High-Strength 410 Stainless Steel
Hex Head Drilling Screws for Metal
410 stainless steel is strong, wear resistant, and mildly chemical resistant. These screws have a hex head for a secure grip with a wrench and a flange to reduce the risk of crushing thin metal. They save you time and effort by drilling their own holes and fastening in a single operation. 410 stainless steel screws are magnetic and not for use with aluminum. Length is measured from under the flange. Head height includes the flange.
For technical drawings and 3-D models, click on a part number.
Drill Tip | Head | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Wd. | Ht. | Flange Dia. | Approximate Threads per Inch | Threading | Min. Thread Lg. | For Use In | Pkg. Qty. | Pkg. | |
No. 6 | |||||||||||||
| 3/8" | No. 1 | 7/64" | 0.035" | 0.25" | 0.118" | 0.328" | 20 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 00000 |
| 1/2" | No. 2 | 9/64" | 0.09" | 0.25" | 0.118" | 0.328" | 20 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 5/8" | No. 2 | 9/64" | 0.09" | 0.25" | 0.118" | 0.328" | 20 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 3/4" | No. 2 | 9/64" | 0.09" | 0.25" | 0.118" | 0.328" | 20 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 1" | No. 2 | 9/64" | 0.09" | 0.25" | 0.118" | 0.328" | 20 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 1 1/4" | No. 2 | 9/64" | 0.09" | 0.25" | 0.118" | 0.328" | 20 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 1 1/2" | No. 2 | 9/64" | 0.09" | 0.25" | 0.118" | 0.328" | 20 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 0000 |
No. 8 | |||||||||||||
| 3/8" | No. 1 | 1/8" | 0.035" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 5/8" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 1 1/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 100 | 000000000 | 00000 |
| 1 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 1 3/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
No. 10 | |||||||||||||
| 1/2" | No. 2 | 13/64" | 0.106" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 5/8" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 3/4" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 1" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 1 1/4" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1 3/4" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 2" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 2 1/2" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 3" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
No. 12 | |||||||||||||
| 3/4" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1 1/4" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1 1/2" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1 3/4" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2 1/2" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 3" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 4" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
1/4" | |||||||||||||
| 3/4" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1 1/4" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 3/4" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 2" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 2 1/2" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 3" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 4" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | __ | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 5" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Partially Threaded | 2" | Steel, Stainless Steel, Sheet Metal | 1 | 000000000 | 0000 |
Drill Tip | Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Wd. | Ht. | Flange Dia. | Approximate Threads per Inch | Threading | For Use In | Pkg. Qty. | Pkg. | |
No. 8 | ||||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 000000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
No. 10 | ||||||||||||
| 1/2" | No. 2 | 13/64" | 0.106" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
1/4" | ||||||||||||
| 1" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/2" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Fully Threaded | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
Super-Corrosion-Resistant High-Strength 410
Stainless Steel Hex Head Drilling Screws for Metal
These screws have the strength of 410 stainless steel with added corrosion resistance. They have a hex head for a secure grip with a wrench and a flange to reduce the risk of crushing thin metal. They save you time and effort by drilling their own holes and fastening in a single operation. 410 stainless steel screws are magnetic and not for use with aluminum. Length is measured from under the flange. Head height includes the flange.
For technical drawings and 3-D models, click on a part number.
Drill Tip | Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Wd. | Ht. | Flange Dia. | Approximate Threads per Inch | For Use In | Pkg. Qty. | Pkg. | |
410 Stainless Steel | |||||||||||
No. 8 | |||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Steel, Stainless Steel, Sheet Metal | 50 | 000000000 | 000000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 0000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
No. 10 | |||||||||||
| 1/2" | No. 2 | 13/64" | 0.106" | 0.313" | 0.151" | 0.414" | 16 | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 3/4" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/4" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/2" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 2" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | 16 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
No. 12 | |||||||||||
| 3/4" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/4" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/2" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 2" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 2 1/2" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
1/4" | |||||||||||
| 3/4" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 1" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 1 1/4" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 2" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | 14 | Steel, Stainless Steel, Sheet Metal | 5 | 000000000 | 0000 |
| 2 1/2" | No. 3 | 5/16" | 0.21" | 0.375" | 0.221" | 0.52" | 14 | Steel, Stainless Steel, Sheet Metal | 5 | 000000000 | 00000 |
Steel Hex Head Drilling Screws for Metal
These steel screws have corrosion-resistant finishes. A hex head provides a secure grip with a wrench and a flange reduces the risk of crushing thin metal. They save you time and effort by drilling their own holes and fastening in a single operation. Length is measured from under the flange. Head height includes the flange.
Zinc-plated steel screws resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Drill Tip | Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Wd. | Ht. | Flange Dia. | Approximate Threads per Inch | Threading | For Use In | Pkg. Qty. | Pkg. | |
External Hex/Slotted—Zinc-Plated Steel | ||||||||||||
No. 8 | ||||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Sheet Metal | 100 | 000000000 | 00000 |
| 5/8" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Sheet Metal | 100 | 000000000 | 0000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | 18 | Fully Threaded | Steel, Sheet Metal | 100 | 000000000 | 0000 |
No. 10 | ||||||||||||
| 3/4" | No. 3 | 1/4" | 0.150" | 0.313" | 0.151" | 0.414" | 16 | Fully Threaded | Steel, Sheet Metal | 100 | 000000000 | 00000 |
Stainless Steel Hex Head Drilling Screws for Aluminum
Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Use them to fasten aluminum to aluminum and steel framing. The hex head allows for a secure grip with a wrench and a flange reduces the risk of crushing thin metal. They save you time and effort by drilling their own holes and fastening in a single operation. Length is measured from under the flange. Head height includes the flange.
For technical drawings and 3-D models, click on a part number.
Drill Tip | Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Wd. | Ht. | Flange Dia. | Thread Size | Approximate Threads per Inch | For Use In | Pkg. Qty. | Pkg. | |
Ultra-Corrosion-Resistant Coated 18-8 Stainless Steel | ||||||||||||
No. 8 | ||||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | __ | 18 | Aluminum, Sheet Metal | 25 | 000000000 | 00000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.141" | 0.348" | __ | 18 | Aluminum, Sheet Metal | 25 | 000000000 | 0000 |
No. 10 | ||||||||||||
| 1/2" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | __ | 16 | Aluminum, Sheet Metal | 25 | 000000000 | 0000 |
| 3/4" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | __ | 16 | Aluminum, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 3 | 1/4" | 0.15" | 0.313" | 0.151" | 0.414" | __ | 16 | Aluminum, Sheet Metal | 25 | 000000000 | 00000 |
No. 12 | ||||||||||||
| 3/4" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | __ | 14 | Aluminum, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | __ | 14 | Aluminum, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/4" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | __ | 14 | Aluminum, Sheet Metal | 10 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | __ | 14 | Aluminum, Sheet Metal | 25 | 000000000 | 00000 |
| 2" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | __ | 14 | Aluminum, Sheet Metal | 5 | 000000000 | 0000 |
| 2 1/2" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | __ | 14 | Aluminum, Sheet Metal | 5 | 000000000 | 0000 |
| 3" | No. 3 | 9/32" | 0.187" | 0.313" | 0.194" | 0.432" | __ | 14 | Aluminum, Sheet Metal | 5 | 000000000 | 0000 |
1/4" | ||||||||||||
| 3/4" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | __ | 14 | Aluminum, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | __ | 14 | Aluminum, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 4 | 5/16" | 0.236" | 0.375" | 0.24" | 0.52" | 1/4"-20 | __ | Aluminum, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/2" | No. 3 | 5/16" | 0.21" | 0.375" | 0.24" | 0.52" | __ | 14 | Aluminum, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/2" | No. 4 | 5/16" | 0.236" | 0.375" | 0.24" | 0.52" | 1/4"-20 | __ | Aluminum, Sheet Metal | 10 | 000000000 | 0000 |
18-8 Stainless Steel Flanged Hex
Head Screws for Sheet Metal
18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. They have a hex head for a secure grip with a wrench and a flange to reduce the risk of crushing thin metal. Screws penetrate 0.025" and thinner sheet metal. Length is measured from under the flange. Head height includes the flange.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Flange Dia. | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
No. 6 | ||||||||
| 1/4" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 00000 |
| 3/8" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 0000 |
| 1/2" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 0000 |
| 5/8" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 0000 |
| 3/4" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 0000 |
| 1" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 0000 |
No. 8 | ||||||||
| 3/8" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 0000 |
| 1/2" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 0000 |
| 3/4" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 0000 |
| 1" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 0000 |
| 1 1/4" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 0000 |
| 1 1/2" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 0000 |
| 2" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 0000 |
No. 10 | ||||||||
| 3/8" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 100 | 000000000 | 0000 |
| 1/2" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 100 | 000000000 | 0000 |
| 5/8" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 100 | 000000000 | 0000 |
| 3/4" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 100 | 000000000 | 0000 |
| 7/8" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 100 | 000000000 | 0000 |
| 1" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 50 | 000000000 | 0000 |
| 1 1/4" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 50 | 000000000 | 0000 |
| 1 1/2" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 50 | 000000000 | 0000 |
| 2" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 25 | 000000000 | 0000 |
| 2 1/2" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 25 | 000000000 | 0000 |
| 3" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 25 | 000000000 | 0000 |
No. 12 | ||||||||
| 1/2" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 50 | 000000000 | 0000 |
| 5/8" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 50 | 000000000 | 0000 |
| 3/4" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 50 | 000000000 | 0000 |
| 1" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 50 | 000000000 | 0000 |
| 1 1/4" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 50 | 000000000 | 0000 |
| 1 1/2" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 25 | 000000000 | 0000 |
| 2" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 25 | 000000000 | 0000 |
| 3" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 25 | 000000000 | 00000 |
No. 14 | ||||||||
| 1/2" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 50 | 000000000 | 0000 |
| 5/8" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 50 | 000000000 | 0000 |
| 3/4" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 50 | 000000000 | 0000 |
| 1" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 1 1/4" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 2" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 2 1/2" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 3" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 10 | 000000000 | 0000 |
Super-Corrosion-Resistant 316 Stainless Steel
Flanged Hex Head Screws for Sheet Metal
More corrosion resistant than 18-8 stainless steel screws, these have excellent resistance to chemicals and salt water and may be mildly magnetic. They have a hex head for a secure grip with a wrench and a flange to reduce the risk of crushing thin metal. Screws penetrate 0.025" and thinner sheet metal. Length is measured from under the flange. Head height includes the flange.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Flange Dia. | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
316 Stainless Steel | ||||||||
No. 6 | ||||||||
| 3/8" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 50 | 000000000 | 00000 |
| 1/2" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 50 | 000000000 | 0000 |
| 3/4" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 50 | 000000000 | 0000 |
No. 8 | ||||||||
| 3/8" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 0000 |
| 1/2" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 0000 |
| 5/8" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 0000 |
| 3/4" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 0000 |
| 1" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 25 | 000000000 | 0000 |
| 1 1/4" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 25 | 000000000 | 0000 |
No. 10 | ||||||||
| 1/2" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 50 | 000000000 | 00000 |
| 5/8" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 50 | 000000000 | 00000 |
| 3/4" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 25 | 000000000 | 0000 |
| 1" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 25 | 000000000 | 0000 |
| 1 1/4" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 25 | 000000000 | 0000 |
No. 12 | ||||||||
| 3/4" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 25 | 000000000 | 0000 |
| 1" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 25 | 000000000 | 00000 |
| 1 1/4" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 10 | 000000000 | 0000 |
| 1 1/2" | 0.313" | 0.194" | 0.432" | 3/16" | 11 | 10 | 000000000 | 0000 |
No. 14 | ||||||||
| 3/4" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 1" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 1 1/4" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 1 1/2" | 0.375" | 0.24" | 0.52" | 5.5 mm | 10 | 10 | 000000000 | 0000 |
High-Strength 410 Stainless Steel Flanged
Hex Head Screws for Sheet Metal
Stronger and more wear resistant than 18-8 and 316 stainless steel, these screws are magnetic and mildly chemical resistant. They're not for use with aluminum sheet metal. All have a hex head for a secure grip with a wrench and a flange to reduce the risk of crushing thin metal. Screws penetrate 0.025" and thinner sheet metal. Length is measured from under the flange. Head height includes the flange.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Flange Dia. | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
410 Stainless Steel | ||||||||
No. 6 | ||||||||
| 3/8" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 00000 |
| 1/2" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 0000 |
| 5/8" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 0000 |
| 3/4" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 100 | 000000000 | 0000 |
No. 8 | ||||||||
| 3/8" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1/2" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 00000 |
| 5/8" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 00000 |
| 3/4" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 100 | 000000000 | 00000 |
| 1 1/4" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 0000 |
| 1 1/2" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 0000 |
No. 10 | ||||||||
| 3/8" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 100 | 000000000 | 00000 |
| 1/2" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 100 | 000000000 | 00000 |
| 3/4" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 100 | 000000000 | 00000 |
| 1" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 50 | 000000000 | 0000 |
| 1 1/2" | 0.313" | 0.151" | 0.414" | No. 21 | 12 | 25 | 000000000 | 0000 |
Stainless Steel Vibration-Damping
Hex Head Screws for Sheet Metal
Made from 18-8 stainless steel, these screws are chemical resistant and may be mildly magnetic. A rubber washer cushions the screw to resist loosening from vibration. They have a hex head for a secure grip with a wrench and a flange to reduce the risk of crushing thin metal. Screws penetrate 0.025" and thinner sheet metal. Length is measured from under the washer.
For technical drawings and 3-D models, click on a part number.
Head | Washer | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | OD | Thick. | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||
No. 14 | |||||||||
| 3/4" | 0.375" | 0.181" | 0.625" | 0.101" | 5.5 mm | 10 | 10 | 000000000 | 00000 |
| 1" | 0.375" | 0.181" | 0.625" | 0.101" | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 1 1/2" | 0.375" | 0.181" | 0.625" | 0.101" | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 2" | 0.375" | 0.181" | 0.625" | 0.101" | 5.5 mm | 10 | 10 | 000000000 | 00000 |
| 2 1/2" | 0.375" | 0.181" | 0.625" | 0.101" | 5.5 mm | 10 | 5 | 000000000 | 00000 |
| 3" | 0.375" | 0.181" | 0.625" | 0.101" | 5.5 mm | 10 | 5 | 000000000 | 00000 |
| 4" | 0.375" | 0.181" | 0.625" | 0.101" | 5.5 mm | 10 | 1 | 000000000 | 0000 |
| 5" | 0.375" | 0.181" | 0.625" | 0.101" | 5.5 mm | 10 | 1 | 000000000 | 0000 |
| 6" | 0.375" | 0.181" | 0.625" | 0.101" | 5.5 mm | 10 | 1 | 000000000 | 0000 |
No. 17 | |||||||||
| 3/4" | 0.375" | 0.181" | 0.625" | 0.101" | 1/4" | 10 | 10 | 000000000 | 00000 |
| 1" | 0.375" | 0.181" | 0.625" | 0.101" | 1/4" | 10 | 10 | 000000000 | 00000 |
Stainless Steel Flanged Piercing Screws for Sheet Metal
Made from 410 stainless steel, these screws are strong, wear resistant, mildly chemical resistant, and magnetic. They're not for use with aluminum sheet metal. Also known as needle point screws, they're designed with a pointed tip to pierce a starter hole in sheets up to 0.050" thick. All have a hex head for a secure grip with a wrench and a flange to reduce the risk of crushing thin metal. Length is measured from under the flange. Head height includes the flange.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Flange Dia. | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
410 Stainless Steel | ||||||||
No. 6 | ||||||||
| 3/8" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 50 | 000000000 | 00000 |
| 1/2" | 0.25" | 0.118" | 0.328" | No. 32 | 18 | 50 | 000000000 | 0000 |
No. 8 | ||||||||
| 1/2" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 00000 |
| 3/4" | 0.25" | 0.141" | 0.348" | No. 29 | 15 | 50 | 000000000 | 00000 |
No. 10 | ||||||||
| 1" | 0.25" | 0.142" | 0.343" | No. 21 | 12 | 25 | 000000000 | 00000 |
| 1 1/2" | 0.25" | 0.142" | 0.343" | No. 21 | 12 | 25 | 000000000 | 00000 |
| 2" | 0.25" | 0.142" | 0.343" | No. 21 | 12 | 25 | 000000000 | 00000 |
Drilling Screw Assortments for Metal
Drilling screws save you time and effort by drilling their own holes and fastening metal up to 0.500" thick in a single operation. Length is measured from under the head.
410 stainless steel screws are wear resistant, magnetic, and mildly chemical resistant.
| Number of Pieces | Sizes Included | Container Type | Each | |
410 Stainless Steel | ||||
|---|---|---|---|---|
| 525 | No. 8 to 1/4" in 1/2" to 1 1/2" Lengths | Metal Box | 000000000 | 0000000 |