Helical cylindrical drill bits HSS-G DIN 338 Ground Speedmaster® have specific technical features such as: 3 flats on the shank for full power transmission (Ø > 5 mm), wide smooth...
Helical cylindrical drill bits HSS-G DIN 338 Ground Speedmaster® have specific technical features such as: 3 flats on the shank for full power transmission (Ø > 5 mm), wide smooth...