Drop-In Anchor Anchor Diameter 3/8 in Overall Length 1 in Thread Size 1/4 In.-20 Thread Depth 0.5 in Thread Type Coarse Material Steel Finish Zinc Plated Flange Style Flush Drill Bit Size 3/8 in Minimum Hole Depth 1 in System of Measurement Inch Bolt or Rod Size 1/4 in Compatible Material Concrete Installation Method Drop-In Anchor Setting Tool Package Quantity 100