M6-1.00 x 16 Flat Socket Cap Screw 12.9 DIN 7991 Zinc Plated

M6-1.00 x 16 Flat Socket Cap Screw 12.9 DIN 7991 Zinc Plated . Zinc plated Flat Socket Head Cap Screws from Brighton Best. Hardness of RC 38-43, meets or exceeds DIN 7991. Manufactured from heat treated alloy steel, 1960 series.