Drive Style Drive Style |
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| Tamper- Resistant Torx | Torx |
System of Measurement System of Measurement |
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For Use In For Use In |
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Material Material |
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Finish Finish |
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Tapping Method Tapping Method |
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 | Thread Forming |
Threading Threading |
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 | Fully Threaded |
Rounded Head Style Rounded Head Style |
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Flat Head Profile Flat Head Profile |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Tapping Screws
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Tamper-Resistant Rounded Head Drilling Screws for Metal
A tamper-resistant Torx driver is required for installation and removal. Also known as pin-in-Torx, these screws allow you to apply extra force with less slippage or damage to the recess. They save you time and effort by drilling their own holes and fastening in a single operation. Made from 410 stainless steel, they're strong, wear resistant, and mildly chemical resistant. Not for use with aluminum. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Drill Tip | Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Dia. | Ht. | Drive Size | Approximate Threads per Inch | For Use In | Pkg. Qty. | Pkg. | |
410 Stainless Steel | |||||||||||
No. 8 | |||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.322" | 0.115" | T20 | 18 | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 000000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.322" | 0.115" | T20 | 18 | Steel, Stainless Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.322" | 0.115" | T20 | 18 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/4" | No. 2 | 3/16" | 0.098" | 0.322" | 0.115" | T20 | 18 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/2" | No. 2 | 3/16" | 0.098" | 0.322" | 0.115" | T20 | 18 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
No. 10 | |||||||||||
| 1/2" | No. 2 | 13/64" | 0.106" | 0.373" | 0.133" | T25 | 16 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 3/4" | No. 2 | 13/64" | 0.106" | 0.373" | 0.133" | T25 | 16 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1" | No. 2 | 13/64" | 0.106" | 0.373" | 0.133" | T25 | 16 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/4" | No. 2 | 13/64" | 0.106" | 0.373" | 0.133" | T25 | 16 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 0000 |
| 1 1/2" | No. 2 | 13/64" | 0.106" | 0.373" | 0.133" | T25 | 16 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
No. 12 | |||||||||||
| 1" | No. 3 | 9/32" | 0.187" | 0.425" | 0.156" | T27 | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 9/32" | 0.187" | 0.425" | 0.156" | T27 | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 2" | No. 3 | 9/32" | 0.187" | 0.425" | 0.156" | T27 | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
No. 14 | |||||||||||
| 1" | No. 3 | 11/32" | 0.21" | 0.492" | 0.175" | T30 | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 11/32" | 0.21" | 0.492" | 0.175" | T30 | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
| 2" | No. 3 | 11/32" | 0.21" | 0.492" | 0.175" | T30 | 14 | Steel, Stainless Steel, Sheet Metal | 10 | 000000000 | 00000 |
Tamper-Resistant Flat Head Drilling Screws for Metal
A tamper-resistant Torx driver is required for installation and removal. Also known as pin-in-Torx, these screws allow you to apply extra force with less slippage or damage to the recess. All are beveled under the head for use in countersunk holes. They save you 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 wet environments. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.
Drill Tip | Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Dia. | Ht. | Drive Size | Approximate Threads per Inch | For Use In | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||||
No. 8 | |||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.312" | 0.1" | T15 | 18 | Steel, Sheet Metal | 50 | 000000000 | 000000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.312" | 0.1" | T15 | 18 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1" | No. 2 | 3/16" | 0.098" | 0.312" | 0.1" | T15 | 18 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1 1/4" | No. 2 | 3/16" | 0.098" | 0.312" | 0.1" | T15 | 18 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1 1/2" | No. 2 | 3/16" | 0.098" | 0.312" | 0.1" | T15 | 18 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
No. 10 | |||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.362" | 0.081" | T20 | 16 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 3/4" | No. 3 | 1/4" | 0.15" | 0.362" | 0.116" | T20 | 16 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1" | No. 3 | 1/4" | 0.15" | 0.362" | 0.116" | T20 | 16 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 1/4" | 0.15" | 0.362" | 0.116" | T20 | 16 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 2" | No. 3 | 1/4" | 0.15" | 0.362" | 0.116" | T20 | 16 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
No. 14 | |||||||||||
| 1" | No. 3 | 11/32" | 0.21" | 0.531" | 0.161" | T27 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1 1/2" | No. 3 | 11/32" | 0.21" | 0.531" | 0.161" | T27 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 2" | No. 3 | 11/32" | 0.21" | 0.531" | 0.161" | T27 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
Strip-Resistant Drilling Screws for Metal
Serrations under the head act as a brake to prevent overtightening and damaging threads. The 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. A hex head provides a larger gripping area for installation with a wrench or socket driver. Length is measured from under the flange. Head height includes the flange.
External Hex/Torx drive screws give you the choice to install with a wrench or a Torx driver.
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. | Drive Size | Approximate Threads per Inch | For Use In | Pkg. Qty. | Pkg. | |
External Hex/Torx—Zinc-Plated Steel | ||||||||||||
No. 8 | ||||||||||||
| 1/2" | No. 2 | 3/16" | 0.098" | 0.25" | 0.197" | 0.37" | T20 | 18 | Steel, Sheet Metal | 50 | 000000000 | 000000 |
| 3/4" | No. 2 | 3/16" | 0.098" | 0.25" | 0.197" | 0.37" | T20 | 18 | Steel, Sheet Metal | 25 | 000000000 | 0000 |
No. 10 | ||||||||||||
| 3/4" | No. 3 | 1/4" | 0.15" | 0.313" | 0.216" | 0.445" | T25 | 16 | Steel, Sheet Metal | 50 | 000000000 | 0000 |
| 1" | No. 3 | 1/4" | 0.15" | 0.313" | 0.216" | 0.445" | T25 | 16 | Steel, Sheet Metal | 25 | 000000000 | 0000 |
No. 12 | ||||||||||||
| 3/4" | No. 3 | 9/32" | 0.187" | 0.313" | 0.261" | 0.445" | T27 | 14 | Steel, Sheet Metal | 50 | 000000000 | 00000 |
| 1" | No. 3 | 9/32" | 0.187" | 0.313" | 0.261" | 0.445" | T27 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
1/4" | ||||||||||||
| 3/4" | No. 3 | 5/16" | 0.21" | 0.375" | 0.303" | 0.55" | T30 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
| 1" | No. 3 | 5/16" | 0.21" | 0.375" | 0.303" | 0.55" | T30 | 14 | Steel, Sheet Metal | 25 | 000000000 | 00000 |
Torx Drilling Screws for Joining Wood to Metal
A Torx drive has more points of contact than a Phillips drive, allowing you to apply extra force with less slippage or damage to the recess. These screws speed installation by drilling, tapping, and fastening wood and metal in a single operation. Made from zinc-plated steel, they resist corrosion in wet environments. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.