Drive Style Drive Style | Show |
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Drive Style Drive Style | Hide |
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| Phillips | External Hex | Torx |
| Torx Plus | Slotted | Square |
| Tamper- Resistant Torx | Tamper- Resistant Hex | One Way |
| Drilled Spanner | 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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Rounded Head Style Rounded Head Style |
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Tapping Screw Type Tapping Screw Type |
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| A/AB | |
Tapping Method Tapping Method |
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| Thread Forming | |
Threading Threading |
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| Fully Threaded | |
For Use In For Use In |
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Shank Cross Section Shank Cross Section |
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Maximum Drilling Thickness Maximum Drilling Thickness |
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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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Flat Head Profile Flat Head Profile |
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About Tapping Screws
More
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 | 000000 |
| 3/4" | 0.27" | 0.082" | No. 6 | No. 32 | 18 | 25 | 000000000 | 00000 |
| 1" | 0.27" | 0.082" | No. 6 | No. 32 | 18 | 25 | 000000000 | 00000 |
| 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 | 00000 |
| 1/2" | 0.322" | 0.096" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
| 3/4" | 0.322" | 0.096" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
| 1" | 0.322" | 0.096" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
| 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 | 00000 |
| 3/4" | 0.373" | 0.11" | No. 10 | No. 21 | 12 | 25 | 000000000 | 00000 |
| 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 | 00000 |
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 | 000000 |
| 3/4" | 0.279" | 0.083" | No. 6 | No. 32 | 18 | 25 | 000000000 | 00000 |
| 1" | 0.279" | 0.083" | No. 6 | No. 32 | 18 | 25 | 000000000 | 00000 |
No. 8 | ||||||||
| 1/2" | 0.332" | 0.1" | No. 8 | No. 29 | 15 | 25 | 000000000 | 00000 |
| 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 | 00000 |
| 3/4" | 0.385" | 0.116" | No. 10 | No. 21 | 12 | 25 | 000000000 | 00000 |
| 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 | 00000 |




























