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High-precision countersink with unequal spacing and 3 drive flats 90°, TiAlN, External ⌀ Dc: 4,3mm

Article no.: 150132 4,3
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External ⌀ Dc (mm) Unit price incl. VAT

Availability

  • Countersink tip angle: 90
  • Tool material: HSS
  • 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 ⌀ 4.3 mm
Coating TiAlN
Countersink tip angle 90 degrees
Tool material HSS
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 1.3 mm
Overall length L 40 mm
Shank ⌀ Ds 4 mm
for countersunk screws ISO 2009, 2010, 7046, 7047 M2
Feed f in steel < 500 N/mm2 0.08 mm/rev.
Shank tolerance h9
Colour ring green
Type of product Stepped drill and countersink

Identification & Classification

Article number 150132 4,3
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EAN / GTIN 4045197741905
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Manufacturer number 150132 4,3
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Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Alu plastics
suitable for / [m/min]
N
ISO code:
75
Aluminium (short chipping)
suitable for / [m/min]
N
ISO code:
75
Alu > 10% Si
suitable for / [m/min]
N
ISO code:
50
Steel < 500 N/mm²
suitable for / [m/min]
P
ISO code:
65
Steel < 750 N/mm²
suitable for / [m/min]
P
ISO code:
50
Steel < 900 N/mm²
suitable for / [m/min]
P
ISO code:
30
Steel < 1100 N/mm²
suitable for / [m/min]
P
ISO code:
18
Steel < 1400 N/mm²
suitable for / [m/min]
P
ISO code:
8
Steel < 55 HRC
suitable for / [m/min]
H
ISO code:
8
INOX < 900 N/mm²
suitable for / [m/min]
M
ISO code:
16
INOX > 900 N/mm²
suitable for / [m/min]
M
ISO code:
10
Ti > 850 N/mm²
suitable for / [m/min]
S
ISO code:
12
GG(G)
suitable for / [m/min]
K
ISO code:
25
CuZn
suitable for / [m/min]
N
ISO code:
60
Graphite, GRP, CRP
suitable for / [m/min]
N
ISO code:
Uni
suitable for / [m/min]
 
wet maximum
suitable for / [m/min]
 
dry
suitable for / [m/min]
 

Description

Version:

All countersinks have 3 cutting edges. Special geometry with extremely unequal spacing and matching cutting edge preparation. Radially relief ground. Flutes ground from solid. Newly developed special TiAlN coating for long service life.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Three drive flats on the shank for use in a 3-jaw chuck.

Advantage:

Very smooth cutting throughout the entire countersinking operation. Chatter-free running for perfect results and optimum tool service life.

Application:

High-precision countersinks for production of exactly round 90° countersunk surfaces.

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