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High-precision countersink with unequal spacing and 3 drive flats 90°, AlTiCN, External ⌀ Dc: 11,5mm

Article no.: 150393 11,5

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External ⌀ Dc (mm) Unit price incl. VAT
  • Countersink tip angle: 90
  • Tool material: HSS E
  • Spacing of the countersink cutting edges: unequal spacing
  • Number of cutting edges Z: 3
  • Standard: DIN 335 C

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Product details

Technical Data

External ⌀ 11.5 mm
Coating AlTiCN
Countersink tip angle 90 degrees
Tool material HSS E
Spacing of the countersink cutting edges unequal spacing
Number of cutting edges Z 3
Standard DIN 335 C
Shank Shank with h9 and three drive flats
Through-coolant no
smallest countersink ⌀ for holes from 2.8 mm
Overall length L 56 mm
Shank ⌀ Ds 8 mm
for countersunk screws ISO 2009, 2010, 7046, 7047 M6
Feed f in stainless steel < 900 N/mm2 0.1 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 150393 11,5
EAN / GTIN 4062406277185
Manufacturer number 150393 11,5

Application Table

Alu plastics
N
53
Aluminium (short chipping)
N
40
Alu > 10% Si
N
35
Steel < 500 N/mm²
P
55
Steel < 750 N/mm²
P
30
Steel < 900 N/mm²
P
25
Steel < 1100 N/mm²
P
15
Steel < 1400 N/mm²
P
12
INOX < 900 N/mm²
M
18
INOX > 900 N/mm²
M
13
Ti > 850 N/mm²
S
13
GG(G)
K
30
CuZn
N
42
wet maximum
 
wet minimum
 
dry
 

Description

Version:

All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Special geometry with unequal spacing and matching cutting edge preparation.
Newly developed AlTiCN coating especially for stainless steels.
Three drive flats on the shank for use in a 3-jaw chuck.

Application:

High-precision countersinks for chatter-free production of precise, round 90° countersunk surfaces.

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