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Solid carbide jobber drill extra short 7,9 mm

Article no.: 122100 7,9
  • Tool material: Solid carbide
  • Standard: DIN 6539
  • Type: N
  • Tolerance nominal ⌀: h7
  • Number of cutting edges Z: 2

Product details

Technical Data

Nominal ⌀ DC 79 mm
Coating uncoated
Tool material Solid carbide
Standard DIN 6539
Type N
Tolerance nominal ⌀ h7
Number of cutting edges Z 2
Point angle 118 degrees
recommended maximum drilling depth L2 252 mm
Helix angle 30 degrees
Shank Parallel shank to h7
Through-coolant no
Flute length Lc 37 mm
Overall length L 79 mm
Shank ⌀ Ds 79 mm
Shank tolerance h7
Feed f in steel < 1100 N/mm2 11 mm/rev.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 122100 7,9
EAN / GTIN 4045197039804

Application Table

Alu plastics
N
200
Aluminium (short chipping)
N
140
Alu > 10% Si
N
140
Steel < 500 N/mm²
P
70
Steel < 750 N/mm²
P
70
Steel < 900 N/mm²
P
60
Steel < 1100 N/mm²
P
40
Steel < 1400 N/mm²
P
25
INOX < 900 N/mm²
M
20
INOX > 900 N/mm²
M
20
Ti > 850 N/mm²
S
15
CuZn
N
140
Uni
 
Oil
 
wet maximum
 
dry
 

Description

Version:

Similar to DIN 6539 (extra short).
Nominal ⌀ and shank ⌀ equal.

Note:

Flute length LC = L2 + 1.5 × DC.
Non slip clamping in drill chuck No. 341050 with diamond coated jaws.

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