Simpson SSTB16LHDG 5 8 in x 19 5 8 in HDG Anchor Bolt for Holdowns and Strong Wall Shearwalls S B High Capacity Hanger Cost effective solution for light duty work Cost effective solution for light duty work the Zinc Nailon anchor is specifically designed as a low cost option for static load applications shank provides the rigidity needed to control vibration on this challenging profile helping maintain cut accuracy across repeated passes and reducing the likelihood of chatter marks on finished edges Diameter: 5 8 in Purpose built for holdowns and Strong Wall shearwalls the SSTB anchor bolt is specifically designed and extensively tested for these high demand connections