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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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Head Type Head Type |
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 | Flat |
Tip Type Tip Type |
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 | Pointed |
Drive Style Drive Style |
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Drive Size Drive Size |
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For Use In For Use In |
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Material Material |
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Flat Head Profile Flat Head Profile |
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 | Standard |
Softwood Drill Bit Size Softwood Drill Bit Size |
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Threading Threading |
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 | Partially Threaded |
Hardwood Drill Bit Size Hardwood Drill Bit Size |
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Approximate Threads per Inch Approximate Threads per Inch |
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Finish Finish |
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Softwood Drill Bit Size Decimal Equivalent Softwood Drill Bit SizeDecimal Equivalent |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardwood Drill Bit Size Decimal Equivalent Hardwood Drill Bit SizeDecimal Equivalent |
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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 | |||||||||||
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| 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. 20 | |||||||||||
| 2" | 0.65" | 0.196" | No. 4 | 11/64" | 13/64" | 8 | Partially Threaded | 1.333" | 10 | 000000000 | 000000 |
| 3" | 0.65" | 0.196" | No. 4 | 11/64" | 13/64" | 8 | Partially Threaded | 1.98" | 10 | 000000000 | 00000 |
| 4" | 0.65" | 0.196" | No. 4 | 11/64" | 13/64" | 8 | Partially Threaded | 2.667" | 10 | 000000000 | 00000 |
| 5" | 0.65" | 0.196" | No. 4 | 11/64" | 13/64" | 8 | Partially Threaded | 3.333" | 5 | 000000000 | 00000 |