Application
For drilling in steel and cast steel, alloyed and unalloyed, up to approx. 1,000 N/mm2 strength, grey cast iron, malleable iron, spheroidal graphite iron, sintered iron, nickel silver, graphite, short-chipping aluminium alloys, high-pressure die casting, tough brass. Particularly well suited to precision spotting
and countersinking work on NC and CNC-controlled machines, jig boring machines etc.

Execution

• Tip angle 120°
• Straight shank
• Right-cutting
• Extremely short chip flutes
• Without chamfers
• Cone polished section
• Special drill bit with weak core

Notes
Not suitable for drilling deep holes! TiN-coated NC spotting drill and variants with additional tip angle, longer design or with MK shank deliverable on request.