They feature a countersunk

000 psi on diameters of 1 to 1 1/2 inches

The bolts are made from galvanized steel to prevent corrosion and ensure a long-lasting hold

#32 Heavy Duty Jobber Drill Bit

23/64 Heavy Duty Drill Bit - Stubby Length

1/4 x 2 Simpson Strong-Drive® SDS Heavy-Duty Connector Screw - Carton 316 Stainless Steel (1300) 3/8-24 Grade 8 Hex Cap Screws Plain - Domestic USA They feature a countersunkUpgrade your heavy duty construction projects with the 1 4 x 2 Simpson Strong Drive SDS Screw. Made with durable 316 stainless steel, this screw provides reliable and long lasting connections. With a carton of 1300 screws, you can efficiently complete large scale projects. Trust in the strength and quality of Simpson Strong Tie products.