| Standard: | ANSI, DIN, GB, ISO, JIS |
|---|---|
| Type: | Roofing Screw with Washer |
| Material: | Iron |
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a variation of common nails with similar strength, features double heads for easy removal. Generally, duplex nails also can be called as double headed nails or scaffold nails. As more wood scaffolding is replaces by metal, the name duplex nail and doubled headed nail becomes common terms.
The duplex nail can be driven into the wood to the first head like other nails, yet with the second head outside. When it is time to pull it out, just a claw hammer is capable to solve the problem.
| Size | Wire Gauge |
Overall length | Length under lower head | Top head | Lower head | Length between two heads | Approx. count per lb. |
| 6d | 11-1/2 | 2-7/64" | 1-3/4" | 3/16" | 17/64" | 1/4" | 156 |
| 8d | 10-1/4 | 2-5/8" | 2-1/4" | 15/64" | 9/32" | 1/4" | 90 |
| 10d | 9 | 3-3/16" | 2-3/ 4" | 1/4" | 5/16" | 5/16" | 59 |
| 16d | 8 | 3-1/2" | 3" | 9/32" | 11/32" | 3/8" | 45 |
| 20d | 7 | 4-1/64" | 3-1/2" | 3/8" | 3/8" | 3/8" | 28 |
| 30d | 6 | 4-37/64" | 4" | 7/16" | 7/16" | 7/16" | 22 |
1lb / box * 50 box/ carton
3kg-5kg / box * 8 box/ carton
50lb or 25kg /carton
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Tianjin Jinghai County Hongli Industry and Business Co.,Ltd
Sanjianfang Village, Daqiuzhuang Town,Jinghai County ,Tianjin 301606 China
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