wedge style expansion anchor for use in solid concrete or grout-filled masonry

The anchor is designed for use in solid base material such as concrete

Web construction is heavier than general purpose construction making it particularly suitable for cotter pin hole drilling and cross hole drilling in head of bolts

Material is manufactured with rolled threads

7/16-20 x 5 Socket Cap Screw Alloy

1 1/4-12 x 3 1/2 Socket Cap Screw Alloy 5/8-11 Hex Cap Screws 18-8 Stainless Steel wedge style expansion anchor for1 1 4 12 x 3 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.