Series 652 HSS High Helix (Parabolic Flute) Straight Shank Jobber Drills - Metric

Series 652 HSS High Helix (Parabolic Flute) Straight Shank Jobber Drills
Metric
For drilling in difficult conditions when swarf congestion prevents an adequate flow of coolant. For use in steel and cast iron having a hardness of up to 1000N/mm2. Not recommended for nickel-chrome steels or similar material. Give greater wear resistance and longer tool life than Guhring product number 549 - HSS GT100 right hand jobber drills. Manufactured to DIN388.