Cobalt HSS end mill, HSS-E end mill, M35 end mills
Among the HSS materials, the HSS adding cobalt is harder and has better performance in tool life, also more precise than HSS without cobalt. There are M35 and M42 most popular in this series,you can choose as per your budge. Both M35 and M42 belongs to HSS-E series, which is high performance high speed steel contains cobalt.
For some harder metals cutting, the coating is needed, to higher hardness and better resistance.Both can be available as per your requirement.
Both end mills and drills can be made in HSS-E, please contact us for further details.