Expansion Anchor, Anchor Diameter 1/4 in, Overall Length 19/32 in, Screw Size 1/4 in, Thread Size 1/4 In.-20, Thread Depth 0.5938 in, Thread Type Coarse, Material Zamac Alloy, Finish Plain, Drill Bit Size 1/2 in, Minimum Installation Depth 7/8 in,...