Article no.: 122440

Description

Version:

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.

Recommendation:

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

Note:

Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122445/122505.
Form HE: order with No. 122440/122500 and 129100HE.
NEW GENERATION AVAILABLE!
Recommended successor products are No. 122415; 122425 and 122435.

Technical Data

Coating
TiAlN
Tool material
Solid carbide
Drill depth up to
4×D
Point angle
140 degrees
Skaft
DIN 6535 HA to h6
Through-coolant
no
Machining strategy
HPC
Colour ring
green

Application Table

Steel < 500 N/mm²
P
90
Steel < 750 N/mm²
P
80
Steel < 900 N/mm²
P
70
Steel < 1100 N/mm²
P
65
Steel < 1400 N/mm²
P
35
Ti > 850 N/mm²
S
35
GG(G)
K
70
Uni
 
wet maximum
 
dry
 
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