7/16 INCH WIDTH ACROSS FLAT; 1-5/8 INCH MIN. HOLE SAW SIZE; 1.625 MIN. HOLE SAW SIZE - DECIMAL; 1-5/8 MIN. HOLE SAW SIZE - FRACTIONAL; 18 TPI; 5/8 INCH THREAD SIZE; HEX SHANK SHAPE; DOUGLAS. BRAND; FOR HOLE SAW D2V-26; FOR HIGH SPEED DRILL