3/16 Cobalt Heavy Duty Jobber Drill Bit

1/2-13 x 4 Hex Sleeve Anchor Zinc Plated (25)

1/4 x 3 Powers Flat Toggle Bolt Zinc Plated (50)

#8 Heavy Duty Jobber Drill Bit

Download Powers Drive® Pre-Expanded Anchor Technical Data

#9 Heavy Duty Jobber Drill Bit (12) Jobber Drill Bits - Wire Gauge 3/16 Cobalt Heavy Duty Jobber#9 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.