Drive Style Drive Style | Show |
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Drive Style Drive Style | Hide |
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| External Hex | Phillips | Square |
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| Tamper- Resistant Torx | Slotted | 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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Rounded Head Style Rounded Head Style |
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 | Round |
Threading Threading |
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 | Fully Threaded |
Finish Finish |
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Tapping Method Tapping Method |
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 | Thread Forming |
Flat Head Profile Flat Head Profile |
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 | Standard |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Rounded Head Profile Rounded Head Profile |
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About Tapping Screws
More
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.
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 | 0000 |
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 |