5/8-11 x 12 Simpson Wedge Anchor 303 SS (10)

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

9/64 Heavy Duty Jobber Drill Bit

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

3/4-10 x 12 Simpson Wedge Anchor 303 SS (5)

#51 Heavy Duty Jobber Drill Bit (12) 9/16-12 Socket Cap Screws Alloy 5/8-11 x 12 Simpson Wedge#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.