They can carry twice the weight of a standard wing anchor but only require a ½ inch hole

Download ALLIGATOR® Anchor Technical Data

Over-sized threads are wider than gutter spikes

27/32 x 6 Reduced Shank Drill Bit (1/2 Shank)

Tensile strength (not pull out) will meet a minimum of 60

#51 Heavy Duty Jobber Drill Bit (12) 9/16-12 Socket Cap Screws Alloy They can carry twice the#51 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.