Chenango Supply N10 x 1inches Hex Washer Head Metal Roof Screw Self Startingself Tapping Metal to Wood Sheet Metal Roofing siding Screws with EPDM Washer Seal 100 PCS N10 x 1

Hex washer head, self starting roof screw with EPDM washer seal, Corrugated roofing and corrugated siding screws, Light Gray colored anti-corrosion coating, Roofing screw has a sharp point to enable it to penetrate metal roofing and siding without a drill, Metal-to-wood roof screws