Suki Slotted Machine Screw is an ideal fastener for metal to metal applications with pre-drilled holes The Machine Screw is an ideal fastener for metal to metal applications with pre-drilled holes Stainless steel screw is resistant to corrosion and rust Pan head provides greater surface for the driving bit to grip Dimensions: Thread M5 diameter, 20mm length Pack contains 6 screws and 6 nut washers