Roofing screw

Product parameter: 
DIA: 4.2 mm - 6.3 mm 
Length: 13 mm - 160 mm 

Product introduction:
Roofing Screws are mostly made with a Hex Washer Head Self Drilling Screw paired up with an EPDM rubber washer, bonding washer, or umbrella washer. And color painted on the head to match the color of the sheet metal.


Product Feature:
Head: Hex