Description
Excellent cobalt drill bit made of HSS M35 steel with 5% cobalt for extra strength. Low sharpening loss and wear allow for a long service life of these drill bits. The heads with two 135° milled edges ensure a better grip. The tips are sanded and painted amber. Each of the cobalt drill bits in our range is manufactured according to DIN338. The use of cutting oils is suitable for optimal performance. We recommend using cutting or coolant oil