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Drive Style Drive Style | Show |
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 | One Way |
Drive Style Drive Style | Hide |
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 |  |  |
| Phillips | External Hex | Slotted |
 |  |  |
| Square | Torx | Tamper- Resistant Torx |
 |  |  |
| Tamper- Resistant Hex | Torx Plus | Drilled Spanner |
|  | |
| One Way | Tri- Wing® |
System of Measurement System of Measurement |
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Material Material |
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Threading Threading |
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 | Fully Threaded |
 | Partially Threaded |
Tip Type Tip Type |
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 | Pointed |
Rounded Head Style Rounded Head Style |
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 | Pan |
Tapping Screw Type Tapping Screw Type |
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 | A/AB |
Maximum Drilling Thickness Maximum Drilling Thickness |
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Shank Cross Section Shank Cross Section |
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Tapping Method Tapping Method |
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 | Thread Forming |
For Use In For Use In |
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Rounded Head Profile Rounded Head Profile |
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Oval Head Profile Oval Head Profile |
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 | Standard |
Minimum Thread Length Minimum Thread Length |
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About Tapping Screws
More
One-Way Rounded Head Screws for Sheet Metal
The S-shaped drive can be installed with a standard slotted driver, but requires a special tool for removal. Made from 18-8 stainless steel, these screws are chemical resistant and may be mildly magnetic. They penetrate 0.025" and thinner sheet metal. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | |||||||
|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||
No. 6 | |||||||
| 1/2" | 0.26" | 0.103" | No. 32 | 18 | 100 | 000000000 | 000000 |
| 3/4" | 0.26" | 0.103" | No. 32 | 18 | 100 | 000000000 | 00000 |
| 1" | 0.26" | 0.103" | No. 32 | 18 | 50 | 000000000 | 0000 |
No. 8 | |||||||
| 1/2" | 0.309" | 0.12" | No. 29 | 15 | 50 | 000000000 | 0000 |
| 3/4" | 0.309" | 0.12" | No. 29 | 15 | 50 | 000000000 | 0000 |
| 1" | 0.309" | 0.12" | No. 29 | 15 | 50 | 000000000 | 0000 |
| 1 1/4" | 0.309" | 0.12" | No. 29 | 15 | 50 | 000000000 | 00000 |
| 1 1/2" | 0.309" | 0.12" | No. 29 | 15 | 50 | 000000000 | 0000 |
No. 10 | |||||||
| 1/2" | 0.359" | 0.137" | No. 21 | 12 | 50 | 000000000 | 0000 |
| 3/4" | 0.359" | 0.137" | No. 21 | 12 | 50 | 000000000 | 0000 |
| 1" | 0.359" | 0.137" | No. 21 | 12 | 50 | 000000000 | 00000 |
| 1 1/2" | 0.359" | 0.137" | No. 21 | 12 | 50 | 000000000 | 00000 |
| 2" | 0.359" | 0.137" | No. 21 | 12 | 25 | 000000000 | 0000 |
No. 12 | |||||||
| 1/2" | 0.425" | 1/8" | 3/16" | 11 | 50 | 000000000 | 00000 |
| 3/4" | 0.425" | 1/8" | 3/16" | 11 | 25 | 000000000 | 0000 |
| 1" | 0.425" | 1/8" | 3/16" | 11 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.425" | 1/8" | 3/16" | 11 | 25 | 000000000 | 00000 |
| 2" | 0.425" | 1/8" | 3/16" | 11 | 25 | 000000000 | 00000 |
No. 14 | |||||||
| 1/2" | 0.472" | 0.175" | 5.5 mm | 10 | 50 | 000000000 | 0000 |
| 3/4" | 0.472" | 0.175" | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 1" | 0.472" | 0.175" | 5.5 mm | 10 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.472" | 0.175" | 5.5 mm | 10 | 25 | 000000000 | 00000 |
| 2" | 0.472" | 0.175" | 5.5 mm | 10 | 25 | 000000000 | 00000 |
| 3" | 0.472" | 0.175" | 5.5 mm | 10 | 10 | 000000000 | 0000 |
One-Way Oval Head Screws for Sheet Metal
The S-shaped drive can be installed with a standard slotted driver, but requires a special tool for removal. Made from 18-8 stainless steel, they are chemical resistant and may be mildly magnetic. Screws penetrate 0.025" and thinner sheet metal. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.