INDIAN STANDARD
SPECIFICATION FOR COUNTERSUNK HEAD SCREWS WITH HEX SOCKET
IS 6761: 1994 (Reaffirmed 2004)
Steel : 8.8, 10.9, 12.9
Finish: Self, Zinc Plated, Hot Dip Galvanized
Steel : 8.8, 10.9, 12.9
Finish: Self, Zinc Plated, Hot Dip Galvanized