System of Measurement System of Measurement |
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Length Length | Show |
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Length Length | Hide |
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Head Type Head Type |
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 | Flat |
For Use In For Use In |
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Material Material |
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Finish Finish |
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Thread Size Thread Size |
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Threading Threading |
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 | Partially Threaded |
 | Fully Threaded |
Flat Head Profile Flat Head Profile |
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Drill Bit Size Drill Bit Size |
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Screw Features Screw Features |
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 | Cutting Wings |
RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Drill Tip Length Drill Tip Length |
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Tapping Method Tapping Method |
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 |  |
| Thread Forming | Thread Cutting |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Tapping Screws
More
Steel Phillips Drilling Screws for Joining Wood to Metal
These screws speed installation by drilling, tapping, and fastening wood and metal in a single operation. Length is measured from the top of the head.
Screws with cutting wings drill a slightly larger hole in the wood to allow for expansion. The wings break off when they contact metal, so the screw can tap the remainder of the hole.
Zinc-plated steel screws resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||||
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| Lg. | Screw Features | Drill Point Size | Drill Tip Lg. | For Metal Thick. | For Wood Thick. | Dia. | Ht. | Drive Size | Thread Size | Threading | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||||||
1/4" | |||||||||||||
| 3 3/4" | Cutting Wings | No. 4 | 1/2" | 0.11"-0.375" | 0.75"-2.75" | 0.472" | 0.153" | No. 3 | 1/4"-20 | Fully Threaded | 5 | 000000000 | 000000 |
18-8 Stainless Steel Square-Drive Screws for Softwood and Plastic-Wood Composites
18-8 stainless steel screws have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. They have a curved neck that sinks into material, so they sit flush with the surface. Also known as deck screws, they have a Type 17 auger point that penetrates softwood and plastic-wood composite decking material. They 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
No. 10 | ||||||||||
| 3 3/4" | 0.344" | 0.189" | No. 2 | 3/32" | 8 | Partially Threaded | 2.475" | 25 | 000000000 | 000000 |
Screws for Joining Drywall to Wood
Hang drywall to wood framing. These screws have a sharp point that penetrates drywall and a curved neck that sinks in without tearing the paper surface. Length is measured from the top of the head.
Zinc-plated and zinc yellow-chromate plated steel screws are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Zinc Yellow-Chromate-Plated Steel | |||||||||
No. 10 | |||||||||
| 3 3/4" | 0.363" | 0.039" | No. 2 | 9 | Partially Threaded | 2 1/2" | 25 | 000000000 | 00000 |