System of Measurement System of Measurement |
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Screw Size Screw Size | Show |
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Screw Size Screw Size | Hide |
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For Use In For Use In |
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Drive Style Drive Style |
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| Phillips | Square | External Hex |
Tip Type Tip Type |
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 | Pointed |
Material Material |
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Finish Finish |
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Threading Threading |
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 | Partially Threaded |
 | Fully Threaded |
Screw Features Screw Features |
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| Sealing | With Washer |
Minimum Thread Length Minimum Thread Length |
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Drive Size Drive Size |
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Tapping Method Tapping Method |
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| Thread Forming | Thread Cutting |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Tapping Screws
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Steel Phillips Flat Head Screws for Wood
These steel screws are zinc plated to resist corrosion in wet environments. All are beveled under the head for use in countersunk holes. They press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. 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 | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||||
No. 9 | |||||||||||
| 5/8" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.417" | 100 | 000000000 | 000000 |
| 3/4" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.5" | 100 | 000000000 | 00000 |
| 1" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.75" | 100 | 000000000 | 00000 |
| 1 1/4" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.875" | 100 | 000000000 | 00000 |
| 1 1/2" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 1" | 100 | 000000000 | 00000 |
| 2" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 1.25" | 100 | 000000000 | 00000 |
| 3" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 1.98" | 50 | 000000000 | 00000 |
Brass Phillips Flat Head Screws for Wood
Brass screws are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. All are beveled under the head for use in countersunk holes. They press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. 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 | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Brass | |||||||||||
No. 9 | |||||||||||
| 5/8" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.417" | 50 | 000000000 | 00000 |
| 3/4" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.5" | 50 | 000000000 | 00000 |
| 1" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
| 1 1/2" | 0.358" | 0.108" | No. 2 | 5/64" | 7/64" | 14 | Partially Threaded | 1" | 50 | 000000000 | 00000 |
18-8 Stainless Steel Flat Head Screws for Plywood and Oriented Strand Board
18-8 stainless steel screws have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. They are beveled under the head for use in countersunk holes. They penetrate plywood and oriented strand board (OSB) without splitting. Threads are serrated for lower driving torque. 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 | Drive | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Size | Style | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | |||||||||||
No. 9 | |||||||||||
| 1 1/2" | 0.346" | 0.143" | No. 2 | Square/Phillips | 5/64" | 14 | Partially Threaded | 3/4" | 50 | 000000000 | 000000 |
| 2" | 0.346" | 0.143" | No. 2 | Square/Phillips | 5/64" | 14 | Partially Threaded | 3/4" | 50 | 000000000 | 00000 |
| 2 1/2" | 0.346" | 0.143" | No. 2 | Square/Phillips | 5/64" | 14 | Partially Threaded | 3/4" | 25 | 000000000 | 00000 |
Flat Head Screws for Particleboard and Fiberboard
Beveled under the head for use in countersunk holes. Sharp, angled threads cut into particleboard, medium-density fiberboard (MDF), and hardboard such as masonite without splitting. Length is measured from the top of the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Dia. Tolerance | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||||||||
No. 9 | |||||||||||
| 3/4" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Fully Threaded | __ | 100 | 000000000 | 00000 |
| 1" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Fully Threaded | __ | 100 | 000000000 | 00000 |
| 1 1/4" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 0.838" | 100 | 000000000 | 00000 |
| 1 1/2" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 1" | 100 | 000000000 | 00000 |
| 1 3/4" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 1.17" | 50 | 000000000 | 0000 |
| 2 1/2" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 1.675" | 50 | 000000000 | 00000 |
| 3" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 2.01" | 50 | 000000000 | 00000 |
18-8 Stainless Steel Thread-Cutting Small-Head
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. Also known as trim-head deck screws, they have a small flat head and slender shank to reduce the risk of splitting. The Type 17 auger point and narrow body penetrate softwood and plastic-wood composite decking material. They cut threads into drilled holes as they’re turned, so they require less driving torque and cause less stress on material than thread-forming screws. 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
No. 9 | ||||||||||
| 4" | 0.25" | 0.125" | No. 2 | 5/64" | 14 | Partially Threaded | 2" | 10 | 000000000 | 000000 |
Screws for Joining Sheet Metal to Wood
Able to penetrate overlapping sheets, these screws have a secure hold in wood. The hex head allows for a firm grip with a wrench, while a rubber washer provides a watertight seal. They're 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.