With traditional toggle bolts

acceptable for ACQ pressure treated lumber

3/4-10 x 10 A307 Grade A Carriage Bolt Zinc Plated

3/4-10 x 4 1/4 Simpson Wedge Anchor 304 SS (10)

#2 Heavy Duty Jobber Drill Bit

#14 Heavy Duty Jobber Drill Bit (12) 5/8-11 Hex Cap Screws 18-8 Stainless Steel With traditional toggle bolts#14 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.