Solid carbide HPC drill plain shank DIN 6535 HA – Item No. 122659

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Cutting chisel edge with high centring accuracy due to strong core and special point geometry. High roundness and alignment accuracy of the deep hole, thanks to 4 guide chamfers. Outstanding chip evacuation due to 4 internal cooling channels from ⌀ 3.8 mm. Up to 3.7 mm ⌀ with 2 internal cooling channels. Straight major cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.


Maximum drilling depth:
Flute length (see table) less 1.5×nominal ⌀.


Sizes ending with X = cutter ⌀ tolerance h7.


Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122661.
Form HE: order with No. 122659 + 129100HE.