Self Drilling screws

1. Material : steel 1022A , hardend , zinc plated 2. Size: #7 - #14 3. Packing : colored or brown cartons or by customer demands   4.  Quality : work 5mm iron board within 4 seconds 
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

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