For Use In For Use In |
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Threading Threading |
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 | Partially Threaded |
 | Fully Threaded |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Tapping Screws
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Drilling Screws for Joining Insulation to Metal
Polypropylene Plastic
Steel Washer
Also known as roofing screws, these screws are long and made from hardened steel to fasten rigid insulation board to steel decking. They save you time and effort by drilling their own holes and fastening in a single operation. Made from steel, they're coated to resist corrosion in wet environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||||
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| Lg. | Max. Drilling Thick. | Dia. | Ht. | Drive Size | Approximate Threads per Inch | Threading | Thread Length | For Use In | Specifications Met | Pkg. Qty. | Pkg. | |
Black Epoxy Coated Steel | ||||||||||||
No. 15 | ||||||||||||
| 2" | 0.047" | 0.435" | 0.118" | No. 3 | 13 | Fully Threaded | __ | Steel, Insulation, Sheet Metal | FM Approved | 50 | 000000000 | 000000 |
| 3" | 0.047" | 0.435" | 0.118" | No. 3 | 13 | Fully Threaded | __ | Steel, Insulation, Sheet Metal | FM Approved | 25 | 000000000 | 00000 |
| 4" | 0.047" | 0.435" | 0.118" | No. 3 | 13 | Partially Threaded | 3" | Steel, Insulation, Sheet Metal | FM Approved | 25 | 000000000 | 00000 |
| 5" | 0.047" | 0.435" | 0.118" | No. 3 | 13 | Partially Threaded | 4" | Steel, Insulation, Sheet Metal | FM Approved | 20 | 000000000 | 00000 |
| 6" | 0.047" | 0.435" | 0.118" | No. 3 | 13 | Partially Threaded | 4" | Steel, Insulation, Sheet Metal | FM Approved | 10 | 000000000 | 0000 |
| 7" | 0.047" | 0.435" | 0.118" | No. 3 | 13 | Partially Threaded | 4" | Steel, Insulation, Sheet Metal | FM Approved | 10 | 000000000 | 00000 |
| 8" | 0.047" | 0.435" | 0.118" | No. 3 | 13 | Partially Threaded | 4" | Steel, Insulation, Sheet Metal | FM Approved | 10 | 000000000 | 00000 |
| 10" | 0.047" | 0.435" | 0.118" | No. 3 | 13 | Partially Threaded | 4" | Steel, Insulation, Sheet Metal | FM Approved | 5 | 000000000 | 00000 |
Ultra-Corrosion-Resistant Coated Steel | ||||||||||||
No. 12 | ||||||||||||
| 2 7/8" | 0.047" | 0.438" | 0.116" | No. 3 | 13 | Fully Threaded | __ | Steel, Insulation, Sheet Metal | FM Approved | 20 | 000000000 | 0000 |
| 3 3/4" | 0.047" | 0.438" | 0.116" | No. 3 | 13 | Partially Threaded | 3" | Steel, Insulation, Sheet Metal | FM Approved | 20 | 000000000 | 00000 |
| 4 1/2" | 0.047" | 0.438" | 0.116" | No. 3 | 13 | Partially Threaded | 3" | Steel, Insulation, Sheet Metal | FM Approved | 20 | 000000000 | 00000 |
| 5" | 0.047" | 0.438" | 0.116" | No. 3 | 13 | Partially Threaded | 3" | Steel, Insulation, Sheet Metal | FM Approved | 20 | 000000000 | 00000 |
| 6" | 0.047" | 0.438" | 0.116" | No. 3 | 13 | Partially Threaded | 4" | Steel, Insulation, Sheet Metal | FM Approved | 10 | 000000000 | 0000 |
| 7" | 0.047" | 0.438" | 0.116" | No. 3 | 13 | Partially Threaded | 4" | Steel, Insulation, Sheet Metal | FM Approved | 10 | 000000000 | 00000 |
| 8" | 0.047" | 0.438" | 0.116" | No. 3 | 13 | Partially Threaded | 4" | Steel, Insulation, Sheet Metal | FM Approved | 10 | 000000000 | 00000 |