Socket Cap Screws in 18-8 (A2) Stainless Steel by Brighton Best

3/4-16 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated

5/32 Cobalt Heavy Duty Jobber Drill Bit

Hardness of RC 38-43

1/4-20 x 1 3/8 Acorn Sleeve Anchor Zinc Plated (100)

#54 Heavy Duty Jobber Drill Bit (12) 1/2 Hex Lag Screws Hot Dipped Galvanized Socket Cap Screws in 18-8#54 Heavy Duty Jobber Drill Bit . 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. The heavy construction affords efficient drilling in stainless steel and other hard materials. The split point reduces the thrust requirements and minimizes walking.