Version :Straight major cutting edges and a special flute profile ensure a good chip evacuation. The robust cutter geometry ensures high-performance drilling with good process reliability. A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and an extremely wear-resistant coating. Up to ⌀ 1.9 with 4 facets, from ⌀ 2 with relieved cone.

Note :Flute length LC = L2 + 1.5 × DC. Versions with HB and HE shank available at the same price as HA. For HB shanks: use order no. 122777. For HE shanks: use order No. 122778.