A307 Grade A Carriage Bolts are manufactured from low carbon steel to meet or exceed ASTM A307 Grade A

6-32 x 5/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

6 x 1 5/8 Phillips Bugle Decking Screws W

5/8-18 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated

there is no secondary tightening operation required which greatly reduces the overall cost of an anchor installation

7/8-9 x 3 Flat Socket Cap Screw Alloy 1 1/4-7 Socket Cap Screws Alloy A307 Grade A Carriage Bolts7 8 9 x 3 Flat Socket Cap Screw Alloy . Alloy Flat Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds ASTM F835. Manufactured from heat treated alloy steel, 1960 series.