US$ 149.00
HRB 95 - HRC 35 for diameters over 1 1 1/2 inches
Hardness: Rockwell hardness ranges from B68 to C32
1/2 x 18 Hex Lag Screw Hot Dipped Galvanized
1 1/4-12 Slotted Hex Nut Zinc Plated
3/4-16 x 2 1/2 Socket Cap Screw Alloy Flat Split Drive Anchors Zinc Plated - Clearance HRB 95 - HRC 353 4 16 x 2 1 2 Socket Cap Screw Alloy . Alloy Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds ASTM A574. Manufactured from heat treated alloy steel, 1960 series.
US$ 149.00
US$ 26.85