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Drive Style Drive Style | Show |
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 | Drilled Spanner |
Drive Style Drive Style | Hide |
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| Phillips | External Hex | Torx Plus |
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| Slotted | Torx | Square |
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| Tamper- Resistant Torx | Tamper- Resistant Hex | Drilled Spanner |
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| One Way | Tri-Wing® |
System of Measurement System of Measurement |
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Tip Type Tip Type |
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 | Pointed |
Material Material |
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Tapping Screw Type Tapping Screw Type |
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 | A/AB |
For Use In For Use In |
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Tapping Method Tapping Method |
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 | Thread Forming |
Shank Cross Section Shank Cross Section |
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Maximum Drilling Thickness Maximum Drilling Thickness |
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Threading Threading |
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 | Fully Threaded |
Flat Head Profile Flat Head Profile |
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 | Standard |
Rounded Head Style Rounded Head Style |
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 | Pan |
Rounded Head Profile Rounded Head Profile |
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About Tapping Screws
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Drilled Spanner Rounded Head Screws for Sheet Metal
Install and remove these screws with a tamper-resistant spanner driver. Made from 18-8 stainless steel, they 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. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
No. 6 | ||||||||
| 1/2" | 0.27" | 0.082" | No. 6 | No. 32 | 18 | 25 | 000000000 | 00000 |
| 3/4" | 0.27" | 0.082" | No. 6 | No. 32 | 18 | 25 | 000000000 | 0000 |
| 1" | 0.27" | 0.082" | No. 6 | No. 32 | 18 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.27" | 0.082" | No. 6 | No. 32 | 18 | 25 | 000000000 | 00000 |
No. 8 | ||||||||
| 3/8" | 0.322" | 0.096" | No. 8 | No. 29 | 15 | 25 | 000000000 | 0000 |
| 1/2" | 0.322" | 0.096" | No. 8 | No. 29 | 15 | 25 | 000000000 | 0000 |
| 3/4" | 0.322" | 0.096" | No. 8 | No. 29 | 15 | 25 | 000000000 | 0000 |
| 1" | 0.322" | 0.096" | No. 8 | No. 29 | 15 | 25 | 000000000 | 0000 |
| 1 1/2" | 0.322" | 0.096" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
| 2" | 0.322" | 0.096" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
No. 10 | ||||||||
| 1/2" | 0.373" | 0.11" | No. 10 | No. 21 | 12 | 25 | 000000000 | 0000 |
| 3/4" | 0.373" | 0.11" | No. 10 | No. 21 | 12 | 25 | 000000000 | 0000 |
| 1" | 0.373" | 0.11" | No. 10 | No. 21 | 12 | 25 | 000000000 | 00000 |
| 1 1/4" | 0.373" | 0.11" | No. 10 | No. 21 | 12 | 25 | 000000000 | 00000 |
| 1 1/2" | 0.373" | 0.11" | No. 10 | No. 21 | 12 | 25 | 000000000 | 00000 |
| 2" | 0.373" | 0.11" | No. 10 | No. 21 | 12 | 10 | 000000000 | 0000 |
No. 12 | ||||||||
| 1" | 0.425" | 1/8" | No. 12 | 3/16" | 11 | 25 | 000000000 | 00000 |
| 1 1/2" | 0.425" | 1/8" | No. 12 | 3/16" | 11 | 25 | 000000000 | 00000 |
| 2" | 0.425" | 1/8" | No. 12 | 3/16" | 11 | 10 | 000000000 | 0000 |
No. 14 | ||||||||
| 3/4" | 0.492" | 0.144" | No. 14 | 5.5 mm | 10 | 25 | 000000000 | 00000 |
| 1" | 0.492" | 0.144" | No. 14 | 5.5 mm | 10 | 10 | 000000000 | 0000 |
| 2" | 0.492" | 0.144" | No. 14 | 5.5 mm | 10 | 10 | 000000000 | 0000 |
Drilled Spanner Flat Head Screws for Sheet Metal
Install and remove these screws with a tamper-resistant spanner driver. They're beveled under the head for a flush finish in countersunk holes. 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 the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
No. 6 | ||||||||
| 1/2" | 0.279" | 0.083" | No. 6 | No. 32 | 18 | 25 | 000000000 | 00000 |
| 3/4" | 0.279" | 0.083" | No. 6 | No. 32 | 18 | 25 | 000000000 | 0000 |
| 1" | 0.279" | 0.083" | No. 6 | No. 32 | 18 | 25 | 000000000 | 0000 |
No. 8 | ||||||||
| 1/2" | 0.332" | 0.1" | No. 8 | No. 29 | 15 | 25 | 000000000 | 0000 |
| 3/4" | 0.332" | 0.1" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
| 1" | 0.332" | 0.1" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
| 1 1/4" | 0.332" | 0.1" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
| 1 1/2" | 0.332" | 0.1" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
No. 10 | ||||||||
| 1/2" | 0.385" | 0.116" | No. 10 | No. 21 | 12 | 25 | 000000000 | 0000 |
| 3/4" | 0.385" | 0.116" | No. 10 | No. 21 | 12 | 25 | 000000000 | 0000 |
| 1" | 0.385" | 0.116" | No. 10 | No. 21 | 12 | 25 | 000000000 | 00000 |
| 1 1/2" | 0.385" | 0.116" | No. 10 | No. 21 | 12 | 25 | 000000000 | 00000 |
| 2" | 0.385" | 0.116" | No. 10 | No. 21 | 12 | 25 | 000000000 | 00000 |
No. 12 | ||||||||
| 1" | 0.412" | 0.132" | No. 12 | 3/16" | 11 | 25 | 000000000 | 00000 |
| 1 1/4" | 0.412" | 0.132" | No. 12 | 3/16" | 11 | 25 | 000000000 | 00000 |
| 1 1/2" | 0.412" | 0.132" | No. 12 | 3/16" | 11 | 25 | 000000000 | 00000 |
| 2" | 0.412" | 0.132" | No. 12 | 3/16" | 11 | 10 | 000000000 | 0000 |