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Stub subland drill HSS 180° M3

Article no.: 117240 M3
  • Tool material: HSS
  • Standard: DIN 1897
  • Tolerance nominal ⌀: h8
  • Point angle: 118
  • Shank: Parallel shank to h8

Product details

Technical Data

for screws M3
Coating vaporised
Tool material HSS
Standard DIN 1897
Tolerance nominal ⌀ h8
Point angle 118 degrees
Shank Parallel shank to h8
Countersink angle 180 degrees
Number of cutting edges Z 2
Through-coolant no
⌀ D1 1st step 180° h8 3.4 mm
⌀ D2 2nd step 180° h8 6 mm
Step height L1 1st step 180° 9 mm
Flute length Lc 28 mm
Overall length L 66 mm
Shank ⌀ Ds 6 mm
Feed f in steel < 750 N/mm2 0.03 mm/rev.
Shank tolerance h8
Colour ring without
Type of product Stepped drill

Identification numbers & Classifications

Article number 117240 M3
EAN / GTIN 4045197036162

Application Table

Aluminium (short chipping)
N
45
Steel < 500 N/mm²
P
40
Steel < 750 N/mm²
P
30
Steel < 900 N/mm²
P
25
GG(G)
K
25
CuZn
N
80
Oil
 
wet maximum
 

Description

Version:

Very sturdy. Tight concentricity tolerances between drill ⌀ and counterbore ⌀ guarantee exact alignment.
Special surface treatment, resulting in reduced tendency to edge build-up and improved chip evacuation.

Application:

For through holes for screws to DIN-ISO 273 and countersinking to DIN 74, sheet 2 form H, J and K, medium version.
For screws to DIN 912, 6912 and 7984, ISO 1207 (DIN 84).

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