HSS MATERIAL; 12 INCH OVERALL LENGTH; 4-1/2 INCH FLUTE LENGTH; STRAIGHT SHANK TYPE; 135 POINT ANGLE; HANSON. BRAND; POINT TYPE SPLIT; DRILL DIAMETER 1/2 INCH; DRILL DIAMETER - DECIMAL .5; DRILL DIAMETER - DECIMAL - UOM IN; DRILL DIAMETER - FRACTIONAL 1/2