The Economy HSS-R is a rolled spiral HSS drill bit DIN 338 with a top angle of 118º. The drill bit is very suitable for simple machining and is also available with a reduced shaft. For the Economy HSS-R metal drill bit unalloyed material is used that only in the final phase is hardened. If you are looking for a higher quality drill bit, the REX Steelmaster HSS-G is recommended.