Toggle bolts

The carbon steel pin and mushroom head configuration make this anchor tamper resistant

1/4 x 3 Mushroom Spike Zinc Plated (100)

7/16 Cobalt Heavy Duty Jobber Drill Bit

#26 Heavy Duty Drill Bit - Stubby Length

#31 Heavy Duty Jobber Drill Bit (12) 7/8-9 Hex Cap Screws 18-8 Stainless Steel Toggle bolts#31 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.