204M Supercobalt Armour Piercing

Morse Taper Shank Short Length               M42 8% Cobalt High Speed Steel                           Works standard
Ultra-heavy duty construction                     140° notch thinned point h8 diameter tolerance      Right hand cutting
Normally supplied in steam temper (’blue’) finish

Drills with a slow helix, very heavy web geometry, short length, and high red-hardness specially designed
for drilling high-tensile work-hardening materials such as manganese steel hammered rails, hardox,
armour and spring steels under difficult conditions, including without coolant.
Morse taper shank sizes are in some cases larger than is normal for the diameter.
The power requirement for these tools is high.