Din7504 self drilling screw 1. Standard: DIN, ANSI, GB 2. Size: ST2.9 to ST6.3 3. Material: Carbon Steel,stainless ... steel Din7504 self drilling screw1. Standard: DIN, ANSI, GB 2. Size: ST2.9 to ST6.3,Length: 3mm to 100mm3. Material ... pallets6.delivery time:30days after order confirmation Din7504 self drilling screw