Description
Version:
Tool specially matched to drilling holes without through-coolant. Concave major cutting edges and a special flute profile ensure a good chip evacuation. The sturdy cutter geometry with special point geometry and 4 cutting edges ensures drilling with good process reliability. A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and extremely wear-resistant and heat-resistant coating.
Note:
Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122772.
Form HE: order with No. 122773.
Through-coolant: no
Standard: DIN 6537 L
Tolerance nominal ?: m7
Number of cutting edges Z: 2
Tolerance nominal ?: m7
recommended maximum drilling depth L2: 6.5 mm
Overall length L: 55 mm
Shank ? Ds: 3 mm
Feed f in steel < 900 N/mm2: 0.05 mm/rev.
Tool specially matched to drilling holes without through-coolant. Concave major cutting edges and a special flute profile ensure a good chip evacuation. The sturdy cutter geometry with special point geometry and 4 cutting edges ensures drilling with good process reliability. A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and extremely wear-resistant and heat-resistant coating.
Note:
Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122772.
Form HE: order with No. 122773.
Through-coolant: no
Standard: DIN 6537 L
Tolerance nominal ?: m7
Number of cutting edges Z: 2
Tolerance nominal ?: m7
recommended maximum drilling depth L2: 6.5 mm
Overall length L: 55 mm
Shank ? Ds: 3 mm
Feed f in steel < 900 N/mm2: 0.05 mm/rev.
