Din7504 self drilling screw 1. Standard: DIN, ANSI, GB 2. Size: ST2.9 ... ST6.3 3. Material: Carbon Steel,stainless steel Din7504 self drilling screw1. Standard: DIN, ANSI, GB 2. Size: ST2.9 to ... ,then pallets6.delivery time:30days after order confirmation Din7504 self drilling screw