Screw Features Screw Features |
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 |  |
| Sealing | With Washer |
For Use In For Use In |
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Tip Type Tip Type |
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 | Pointed |
Drive Style Drive Style |
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| Square | External Hex |
Threading Threading |
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 | Partially Threaded |
 | Fully Threaded |
Material Material |
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Washer Material Washer Material |
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System of Measurement System of Measurement |
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Finish Finish |
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Tapping Method Tapping Method |
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 |  |
| Thread Forming | Thread Cutting |
Flat Head Profile Flat Head Profile |
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 | Standard |
About Tapping Screws
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Sealing Screws for Softwood and Plastic-Wood Composites
The neoprene-backed washer seals out contaminants. Also known as trim-head deck screws, they have a small flat head and slender shank to reduce the risk of splitting. They have a Type 17 auger point to penetrate softwood and plastic-wood composite decking material. Made from 18-8 stainless steel, they have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. Screws may be mildly magnetic. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | Washer | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | OD | Thick. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||||
No. 7 | ||||||||||||
| 1" | 0.23" | 0.125" | 0.63" | 0.2" | No. 1 | 1/16" | 16 | Partially Threaded | 1/2" | 25 | 000000000 | 000000 |
| 1 5/8" | 0.23" | 0.125" | 0.63" | 0.2" | No. 1 | 1/16" | 16 | Partially Threaded | 13/16" | 25 | 000000000 | 00000 |
| 2 1/4" | 0.23" | 0.125" | 0.63" | 0.2" | No. 1 | 1/16" | 16 | Partially Threaded | 2 1/8" | 10 | 000000000 | 00000 |
| 3" | 0.23" | 0.125" | 0.63" | 0.2" | No. 1 | 1/16" | 16 | Partially Threaded | 1 1/2" | 10 | 000000000 | 00000 |
Screws for Joining Sheet Metal to Wood
Able to penetrate overlapping sheets, these screws have alternating high-low threads for a secure hold in wood. The hex head allows for a secure grip with a wrench and a rubber washer provides a watertight seal. They're ultra-corrosion-resistant coated steel to resist corrosion in wet environments and minimize reactions between dissimilar metals. Length is measured from under the washer.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Washer OD | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
Ultra-Corrosion-Resistant Coated Steel | ||||||||
No. 10 | ||||||||
| 1" | 0.25" | 0.169" | 0.45" | No. 21 | 16 | 100 | 000000000 | 000000 |
| 1 1/2" | 0.25" | 0.169" | 0.45" | No. 21 | 12 | 100 | 000000000 | 00000 |
| 2" | 0.25" | 0.169" | 0.45" | No. 21 | 12 | 50 | 000000000 | 0000 |
| 2 1/2" | 0.25" | 0.169" | 0.45" | No. 21 | 12 | 50 | 000000000 | 00000 |
| 3" | 0.25" | 0.169" | 0.45" | No. 21 | 12 | 50 | 000000000 | 00000 |