System of Measurement System of Measurement |
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Material Material |
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Head Type Head Type |
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 | Flat |
For Use In For Use In |
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Tip Type Tip Type |
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 | Pointed |
Threading Threading |
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 | Partially Threaded |
Minimum Thread Length Minimum Thread Length |
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Flat Head Profile Flat Head Profile |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Tapping Method Tapping Method |
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 | Thread Forming |
RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Size Size |
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About Tapping Screws
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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 | ||||||||||
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| 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 |
No. 10 | |||||||||||
| 2 1/2" | 0.348" | 0.134" | No. 2 | Square/Phillips | 3/32" | 13 | Partially Threaded | 3/4" | 25 | 000000000 | 00000 |
| 3" | 0.348" | 0.134" | No. 2 | Square/Phillips | 3/32" | 13 | Partially Threaded | 3/4" | 25 | 000000000 | 00000 |