Description
1/4" Hex Head - 1/2" EPDM Washer - Shaft .19" - Width .5" - Measures 1".The galvanized hexagonal heads and washers of metal roof screws are coated with a weather resistant layer, but their rust prevention effect is more than 7-10 times that of traditional electroplating, hot galvanizing, or coating methods..Metal roof screws with EPDM gaskets have good sealing performance and are well tightened in corrugated roofs to prevent leakage during storms.Including # 10 x 1-1/2 inch galvanized metal roof screws 260PCS, 1PC 8mm hex socket.Self tapping screw heads can be easily drilled into metal roofs and wooden structures without the need for pre drilling, greatly improving work efficiency