375 in, Thread Type Coarse, Material Steel, Finish Zinc Plated, Flange Style Flanged, Drill Bit Size 1 in, Minimum Hole Depth 3 3/16 in, System of Measurement Inch, Bolt or Rod Size 3/4 in, Compatible Material Concrete, Stone, Removable Removable, Features Internally Threaded, Industry Standards FM Approved, UL Listed, Installation Method Drop-In Anchor Setting Tool.