Din7504 self drilling screw with EPDM washer 1. Standard: DIN, ANSI, GB 2. Size: ST2.9 ... .3 3. Material: Carbon Steel,st Din7504 self drilling screw with EPDM washer1. Standard: DIN, ANSI, GB 2. Size: ST2.9 to ... .delivery time:30days after order confirmation Din7504 self drilling screw with EPDM washer