34 piece standard drill bit set supplied in a plastic folding box 1.0(x4), 1.5(x3), 2.0(x2), 2.5, 3.0, 3.3, 3.5, 4.0 4.2, 4.5,5, 5.5, 6, 6.5, 6.8, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13mm Spiral angle of 28 degrees and a split point of 118 degrees for use on steel and cast iron Split point for better positional accuracy Supplied in a plastic folding box No. of drills – 34 The Teng Tools range of drill bits are designed for use in steel and cast iron. The drill bits have a spiral angle of 28 degrees and a point of 118 degrees. They have a split point for better positional accuracy. DIN 338