Simpson 5/8" x 4-3/4" Easy-Set Pin-Drive Expansion Anchor EZAC62434Simpson pin drive expansion anchors are coated in yellow zinc dichromate and used for medium and heavy duty fastening applications into concrete and grout filled block. Drill Bit Size: 5 8" Finish Spec: Yellow Zinc Length Spec: 4 3 4" Manufacturer Name: Simpson Strong Tie Diameter: 5 8" Thread Length: 1 5 8" The EZAC easy set anchor is a pin drive expansion anchor for medium and heavy duty fastening applications into concrete. The EZAC anchor provides