Drop-In Anchor Anchor Diameter 1/4 in Overall Length 7/8 in Thread Size 1/4 In.-20 Thread Depth 0.375 in Thread Type Coarse Material Stainless Steel Finish Plain Flange Style Flanged Drill Bit Size 3/8 in Minimum Hole Depth 3/4 in System of Measurement Inch Bolt or Rod Size 1/4 in Material Grade/Class 18-8 Compatible Material Block Brick Removable Removable Manufacturer Location Globally Sourced Compatible with Grainger Part Number 453G66 Features Internally Threaded