DIN 7504 Self Drilling Screw with EPDM washer Product Description: DIN 7504 Self Drilling Screw with EPDM washer Head Type: Hex Washer, Hex, Pan, Bugle, CSK(Flat), Wafer ... , DIN, BS, JIS, ASMaterial: Low carbon steel(C1008, C1010, C1012, C1015, C1018, C1022), stainless steel(302, 304, 303, 316, 410)Surface: Zinc ...