Basic Major Diameter: 3

1/2-20 x 7 Socket Cap Screw Alloy

The Simpson Countersunk Head Crimp Drive® Anchor features a zinc-plated carbon steel construction

these screws are perfect for bulk jobs

1/2" x 12" SDS-Plus Hammer Bit Drill Bit, SDS1212 1/2-20 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA Basic Major Diameter: 3SDS Carbide Tipped Drill Bits are designed for drilling stone or concrete. Carbide tipped tools feature cutting edges of carbide for wear resistance and a steel shank for toughness. Premium SDS Drill Bits are auto weld manufactured on first class German and Swiss equipment with a Japanese manufactured carbide tip.