The HSS-CO Cobalt is made of a special HSS steel with a 5% cobalt content. Precise response when positioning the bit due to its split point and 135° point angle as well as excellent dimensional accuracy also characterize this drill bit -  Unbeatable in high-alloy steel and stainless steel - the perfect solution for the most challenging drilling - Made of special HSS steel with 5% cobalt for extremely long life - Pinpoint centring thanks to split point grinding and 135° point angle - Precision tool as per DIN 338  for outstanding dimensional accuracy of the hole