Drop-In Anchor Anchor Diameter 1/2 in Overall Length 1 9/16 in Thread Size 3/8 In.-16 Thread Depth 0.625 in Thread Type Coarse Material Steel Finish Zinc Plated Flange Style Flush Drill Bit Size 1/2 in Minimum Hole Depth 1 9/16 in System of Measurement Inch Bolt or Rod Size 3/8 in Compatible Material Concrete Installation Method Drop-In Anchor Setting Tool Package Quantity 50