... , lengths and stock numbers are shown on opposite page.Refer to chart on page 4 for recommended sizes. Allways used together with ... taperedrill, countersink, counterborn, plug cutter systems sets new designed.Double flute tapered drill bitsSize(mm)Qty (sets/CTN)Means (cm)G ... .6,4,4.4,4.8,5.2,5.62020*18*308.5/7.5No 22.5,3,3.5,4 ... ,9/64,5/32,11/64,3/16,7/322020*18*308.5/7.5No 71/8,9/64,5/32 ...