thread black phosphate buggle philip head drywall screw diameter:#6(3.5mm),#7(3.9mm),#8(4.2mm),#10(4.8mm) length:from 16mm to thread black phosphate buggle philip head drywall screwdiameter:#6(3.5mm),#7(3.9mm),#8(4.2mm),#10(4.8mm)length:from 16mm to 152mm or 1/2" to 6"finish:black phosphate,zinc plated,color zinc plated,nickel platedcan be fine thread or corse thread fine thread black phosphate ...
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