Expansion Anchor Anchor Diameter 1/2 in Overall Length 1 in Thread Size 1/2 In.-13 Thread Depth 0.625 in Thread Type Coarse Material Steel Finish Zinc Plated Flange Style Flanged Drill Bit Size 5/8 in Minimum Hole Depth 1 in System of Measurement Inch Bolt or Rod Size 1/2 in Material Grade/Class 1008 Compatible Material Concrete Removable Removable Manufacturer Location Globally Sourced Industry Standards FM Approved Material Quality Standards ASTM E488 Package Quantity 50