which means you can place them close to each other without having to worry about compromising structural integrity

Download Simpson Split Drive Anchor Technical Data

Typical hardness is HRC 24-35 for diameters up to 1 1/2 inches

000 psi for Hot-Dip Galvanized nuts

As the anchor is driven into the hole

#32 Heavy Duty Jobber Drill Bit (12) Phillips Flat Machine Screws Type F Zinc Plated which means you can place#32 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.