DB034 | Teng 34pc Drill Bit Set 1.0-13mm/+0.5 DIN338 Standard drill bits for use in steel and cast iron etc Spiral angle of 28° to expel swarf etc Point angle of 118° and a split point for better positional accuracy Designed and manufactured to DIN338 Fully Ground Drill Bits: 1.0(x4) 1.5(x3) 2.0(x2) 2.5 3.0 3.3 3.5 4.0 4.2 4.5 5.0 5.5 6.0 6.5 6.8 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 11.5 12.0 12.5 13.0