HSS MATERIAL; 4 INCH OVERALL LENGTH; STRAIGHT SHANK TYPE; 5/16 INCH SHANK SIZE; TWIST FLUTE TYPE; RIDGID[R] BRAND; WEIGHT 1 1/4 OZ, STANDARD PACKAGE 1; DRILL DIAMETER 5/16 INCH; DRILL DIAMETER - DECIMAL .3125; DRILL DIAMETER - DECIMAL - UOM IN