... Product Description: DIN 7504 Self Drilling Screw with EPDM washer Head Type: Hex Washer, Hex, Pan, Bugle, CSK(Flat), Wafer, TrussDrive Type: Hex, Philips, Pozi ... )Length: 9.50mm (3/8") - 200mm (8")Standard: ANSI, ISO, DIN, BS, JIS, ASMaterial: Low carbon steel(C1008, C1010, C1012, C1015 ... plated, Cr+3, hot dip galvanized, brass platedScrews for automotive and electronic industries.