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Product Description
| Product Name | drill screw , self drilling screw , roofing screw ,hex head screw ,tapping screw |
| Material | carbon steel 1022A , stainless steel |
| Color | blue-white zinc , white zinc , yellow zinc |
| Standard | ISO,GB,DIN,JIS,ANSI,BSW |
| Diameter | M3.5-M6.3, 6#-14# |
| Length | 11mm-175mm, 5/8'-7' inch |
| Surface finish | wax, zinc plated, trivalent chromium blue white zinc, brass plated, phosphate, mechanical zinc, hot-dip galvanized, dacromet |
| Thread Code | full thread and half thread |
