Description
Version:
Straight major cutting edges and a special flute profile ensure 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. 122507.
For HE shanks: use order No. 122508.
Standard: DIN 6537 K
Tolerance nominal ?: h7
Number of cutting edges Z: 2
Tolerance nominal ?: h7
recommended maximum drilling depth L2: 4.5 mm
Overall length L: 45 mm
Shank ? Ds: 4 mm
Feed f in steel < 900 N/mm2: 0.05 mm/rev.
Straight major cutting edges and a special flute profile ensure 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. 122507.
For HE shanks: use order No. 122508.
Standard: DIN 6537 K
Tolerance nominal ?: h7
Number of cutting edges Z: 2
Tolerance nominal ?: h7
recommended maximum drilling depth L2: 4.5 mm
Overall length L: 45 mm
Shank ? Ds: 4 mm
Feed f in steel < 900 N/mm2: 0.05 mm/rev.
