Self Drilling Screws

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Roofing screw tek screws

Roofing screw tek screws

1)material:carbon steel,stainless steel 2)finish: Plain, zinc, black phosphated, grey phosphated, nickel 3)Packing: carton/pallet, small box/carton/pallet
Product Description

China Screw supplier---DAZHE Fastener 

Roofing ScrewRoofing 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.