Series 501 HSS High Helix (Parabolic Flute) Straight Shank Long Series Drill - Inch

Series 501 HSS High Helix (Parabolic Flute) Straight Shank Long Series Drill
Inch
A special drill for drilling deep holes in soft materials and those producing long stringy swarf with a case hardness of 500N/mm2 such as mild steel, aluminium, aluminium alloys, zinc, refined copper and wood. Manufactured to DIN340.