7/8-9 x 6 Grade 5 Hex Cap Screw Zinc Plated

meets or exceeds ASTM F835

53/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

1/16 Heavy Duty Jobber Drill Bit

meets or exceeds DIN 912

25/64 Heavy Duty Jobber Drill Bit (6) Phillips Flat Machine Screws Type F Zinc Plated 7/8-9 x 6 Grade 525 64 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.