Simpson Strong-Tie 5/8" x 18" PAB High-Strength Pre-Assembled Anchor Bolt - Plain Zinc Large Diameter Masonry Screws Self-drilling tip reduces the need

Self-drilling tip reduces the need for predrilling

It features a patented undercutting thread design that taps into uncracked and cracked concrete for a secure mechanical connection

Secure using specified Strong-Drive SDS screws in all required holes

Bugle head design - provides flush countersinking for a clean

Simpson Strong-Tie RFB Retrofit Foundation Bolts provide a reliable solution for anchoring wood sill plates to existing concrete foundations

Simpson Strong-Tie 5/8" x 18" PAB High-Strength Pre-Assembled Anchor Bolt - Plain Zinc Large Diameter Masonry Screws Self-drilling tip reduces the needSimpson Strong Tie PABH High Strength Pre Assembled Anchor Bolts provide a high capacity solution for securing structural members to concrete foundations. Each pre assembled anchor bolt includes the nut and washer already installed, helping streamline installation while reducing the chance of misplaced hardware on the jobsite. Designed for installation in wet concrete, these headed anchor bolts feature a forged anchor head that eliminates the need for