1/4-20 x 2 1/4 Simpson STB2 Wedge Anchor 304 SS (100)

7/16-20 x 6 Socket Cap Screw Alloy

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

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

#48 Heavy Duty Jobber Drill Bit

1 1/4-12 x 3 1/2 Socket Cap Screw Alloy 5/8-11 Hex Cap Screws 18-8 Stainless Steel 1/4-20 x 2 1/4 Simpson1 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.