Simpson 1/2" x 4-3/4" Easy-Set Pin-Drive Expansion Anchor EZAC50434 PACK:25 Pk and the base bottom requires

and the base bottom requires four

Installation requires 3/4" machine bolts - two for the beam and two for the post

making this an investment in equipment longevity as well as fastening quality

Diameter 3-5/8" (92mm)

Drive Mechanism: 26:1

Simpson 1/2" x 4-3/4" Easy-Set Pin-Drive Expansion Anchor EZAC50434 PACK:25 Pk and the base bottom requiresThe Simpson Strong Tie EZAC50434 Easy Set 1 2 in. x 4 3 4 in. Pin Drive Expansion Anchor is engineered by Simpson Strong Tie for medium and heavy duty fastening applications into concrete. Featuring an integrated nut and washer for streamlined installation, the EZAC anchor expands within the base material to deliver reliable holding power in concrete, concrete masonry unit (CMU), and brick. Key Features Integrated nut and washer to help keep track of