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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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 | Phillips |
Drive Size Drive Size |
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For Use In For Use In |
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Material Material |
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Finish Finish |
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Hardwood Drill Bit Size Hardwood Drill Bit Size |
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Approximate Threads per Inch ApproximateThreads per Inch |
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Threading Threading |
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 | Partially Threaded |
Flat Head Profile Flat Head Profile |
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 | Standard |
Hardwood Drill Bit Size Decimal Equivalent Hardwood Drill Bit SizeDecimal Equivalent |
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Softwood Drill Bit Size Softwood Drill Bit Size |
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Softwood Drill Bit Size Decimal Equivalent Softwood Drill Bit SizeDecimal Equivalent |
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Tapping Method Tapping Method |
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 | Thread Forming |
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 | 00000 |
| 3" | 0.65" | 0.196" | No. 4 | 11/64" | 13/64" | 8 | Partially Threaded | 1.98" | 10 | 000000000 | 0000 |
| 4" | 0.65" | 0.196" | No. 4 | 11/64" | 13/64" | 8 | Partially Threaded | 2.667" | 10 | 000000000 | 0000 |
| 5" | 0.65" | 0.196" | No. 4 | 11/64" | 13/64" | 8 | Partially Threaded | 3.333" | 5 | 000000000 | 0000 |
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)