7/16 INCH WIDTH ACROSS FLAT; 1-3/4 INCH MIN. HOLE SAW SIZE; 1.75 MIN. HOLE SAW SIZE - DECIMAL; 1-3/4 MIN. HOLE SAW SIZE - FRACTIONAL; 18 TPI; 5/8 INCH THREAD SIZE; HEX SHANK SHAPE; DOUGLAS. BRAND; FOR HOLE SAW D2V-28; FOR HIGH SPEED DRILL