Article no.: 122340 1
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Brand: HOLEX
Tool material Solid carbide
Standard DIN 6537 K
Drill depth up to 4×D
Tolerance nominal ⌀ h7
Number of cutting edges Z 2
Point angle 140
Shank DIN 6535 HA to h6
Through-coolant yes, with 25 bar
Semi-Standard yes

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.

Note:

Flute length LC = L2 + 1.5 × DC.
NEW GENERATION AVAILABLE!
Recommended successor product is No. 122504.
Versions with HB and HE shank available at the same price as HA.
HB shank: use order No. 122345.
HE shank: use order No. 122355.

Technical Data

Nominal ⌀ DC 1 mm
Coating TiN
Tool material Solid carbide
Standard DIN 6537 K
Drill depth up to 4×D
Tolerance nominal ⌀ h7
Number of cutting edges Z 2
Point angle 140 degrees
Shank DIN 6535 HA to h6
Through-coolant yes, with 25 bar
Semi-Standard yes
recommended maximum drilling depth L2 5.5 mm
Flute length Lc 7 mm
Overall length L 45 mm
Shank ⌀ Ds 4 mm
Shank tolerance h6
Feed f in steel < 900 N/mm2 0.04 mm/rev.
Colour ring green
Type of product Jobber drill

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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⌀ DC h7 (mm or inch) (mm or inch) Unit price incl. VAT
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