SOCKET HEAD CAP SCREWS IN COPPER DIN 912 (UNI 5931) M 4X15 200 PCS. SOCKET HEAD CAP SCREWS IN COPPER DIN 912 (UNI 5931) M 5X12 100 PCS. SOCKET HEAD CAP SCREWS IN COPPER DIN 912 (UNI 5931) M 6X10 500 PCS.