#50 Heavy Duty Jobber Drill Bit

Zinc plated material will meet or exceed ASTM F1941

5/8 x 6 Reduced Shank Drill Bit (1/2 Shank)

10-16 x 4 Phillips Drywall Self Drill Screw Zinc Plated (1000)

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

#25 Heavy Duty Jobber Drill Bit (12) Nylon Insert Locknuts Zinc Plated #50 Heavy Duty Jobber Drill#25 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.