| Product Description(产品介绍): | |
| Self tapping screws (自攻螺丝) | |
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| Material（材料） | C1022 |
| Standard | DIN, ANSI |
| Diameter (牙外径) | 3.5,3.9,4.2, 4.8,5.5; 6#, 7#,8#, 10#,12# etc.. |
| Length （长度） | From 3.5X9.5-3.5X51, 3.9X13-55, 4.2X13-75, 4.8X13-80, 5.5X19-50 |
| Head Type (头型) | Pan head, Flat head, Truss head, Pan framing head, Wafer head,Hex washer head |
| Drive Type (槽型) | Phillips, Torx, Squre, Pozi drive, pan head slot combination |
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Surface Treatment (表面处理) |
Zinc plated,yellow or blue , black color,Darcromat, Ruspert |
|
Heat Treatment 热处理 |
Hardened or Unhardened |
| Packing(包装) |
Small
box packing/bulk packing/pallet 小盒包装/纸箱散装/打托 |
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Screw Manufacture (生产过程) |
Wire
drawing/cold heading/thread rolling/heat treatment/surface coating 拉丝/冷镦/搓丝/热处理/表面处理 |
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Shipping process (出货过程) |
Quality
control/packing/final inspection/shipping 产品检验/包装/终检/出货 |
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| Application(适用对象): | 1. Roof substructures made of wood and metal( 木头和金属成的屋顶下部结构) |
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2. Windows(窗户) |
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3. Squared timbers(方木头) |
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4. Gates and doors (门) |
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5. Interior fittings (内部装修) |
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