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High-precision countersink HSS-Co8 90°, TiCN, External ⌀ Dc: 12,4mm

Article no.: 150383 12,4

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External ⌀ Dc (mm) Unit price incl. VAT
  • Countersink tip angle: 90
  • Tool material: HSS Co 8
  • Number of cutting edges Z: 3
  • Standard: DIN 335 C
  • Shank: Plain shank with h6

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Product details

Technical Data

External ⌀ 12.4 mm
Coating TiCN
Countersink tip angle 90 degrees
Tool material HSS Co 8
Number of cutting edges Z 3
Standard DIN 335 C
Shank Plain shank with h6
Through-coolant yes
smallest countersink ⌀ for holes from 2.8 mm
Overall length L 56 mm
Shank ⌀ Ds 8 mm
for countersunk screws DIN 7991 M6
Feed f in stainless steel < 900 N/mm2 0.06 mm/rev.
Shank tolerance h9
Colour ring blue
Pre-drill ⌀ 2.8 mm
Type of product Stepped drill and countersink

Identification numbers & Classifications

Article number 150383 12,4
Manufacturer number 150383 12,4

Application Table

Aluminium (short chipping)
N
38
Alu > 10% Si
N
30
Steel < 500 N/mm²
P
34
Steel < 750 N/mm²
P
32
Steel < 900 N/mm²
P
32
Steel < 1100 N/mm²
P
10
Steel < 1400 N/mm²
P
5
INOX < 900 N/mm²
M
9
INOX > 900 N/mm²
M
9
Ti > 850 N/mm²
S
8
GG(G)
K
14
CuZn
N
80
wet maximum
 
wet minimum
 
Air
 

Description

Version:

High-precision countersink with 3 cutting edges, radially relief ground. Flutes ground from solid.

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