Article no.: 122340

Description

Version:

Cutting chisel edge with high centring accuracy due to strong core and special point geometry. Straight major cutting edges with slightly honed edges and special flute profile produce short chips.

Recommendation:

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

Note:

Version HB and HE supplied at the same price as HA.
Form HB: state No. 122345.
Form HE: with No. 122366.
NEW GENERATION AVAILABLE!
Recommended successor product is No. 122504.

Technical Data

Coating
TiN
Tool material
Solid carbide
Drill depth up to
4×D
Point angle
140 degrees
Skaft
DIN 6535 HA to h6
Through-coolant
yes, with 25 bar
Colour ring
green

Application Table

Aluminium (short chipping)
N
240
Steel < 500 N/mm²
P
110
Steel < 750 N/mm²
P
90
Steel < 900 N/mm²
P
80
Steel < 1100 N/mm²
P
65
Steel < 1400 N/mm²
P
35
INOX < 900 N/mm²
M
35
INOX > 900 N/mm²
M
30
Ti > 850 N/mm²
S
30
Uni
 
wet maximum
 
wet minimum
 
Air
 
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