Standard Pack = 1 piece(s). Coating=Uncoated; Maximum Bore Depth=1 IN; Maximum TPI=14 to 40 IN; Minimum Bore Diameter=0.23 IN; Model Number=ITL-2301000; Overall Length=2-1/2 IN; Projection=0.055 IN; Right/Left Hand=Left Hand; Shank Diameter=5/16 IN; Thread Angle=60degree ; Type=Internal Threading Tool;