Cutting chisel edge with high centring accuracy due to strong core and special point geometry.
Convex cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.
Note:
Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122765.
Form HE: order with No. 122760 + 129100HE.
NEW GENERATION AVAILABLE!
Recommended successor products are No. 122761 and 122762.
Standard: DIN 6537 L
Tolerance nominal ?: h7
Number of cutting edges Z: 2
Tolerance nominal ?: h7
recommended maximum drilling depth L2: 55.6 mm
Overall length L: 118 mm
Shank ? Ds: 12 mm
Feed f in steel < 1100 N/mm2: 0.27 mm/rev.