High-precision countersink 90°, uncoated, External ⌀ Dc: 4,3mm

Article no.: 150150 4,3
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176 pieces in stock

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External ⌀ Dc (mm) Unit price incl. VAT

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  • Countersink tip angle: 90
  • Tool material: HSS
  • Number of cutting edges Z: 3
  • Standard: DIN 335 C
  • Shank: Plain shank with h9

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Product details

Technical Data

External ⌀ 4.3 mm
Coating uncoated
Countersink tip angle 90 degrees
Tool material HSS
Number of cutting edges Z 3
Standard DIN 335 C
Shank Plain shank with h9
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 0.07 mm/rev.
Shank tolerance h9
Colour ring without
Type of product Stepped drill and countersink

Identification & Classification

Article number 150150 4,3
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EAN / GTIN 4045197085412
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Manufacturer number 150150 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:
70
Aluminium (short chipping)
suitable for / [m/min]
N
ISO code:
33
Steel < 500 N/mm²
suitable for / [m/min]
P
ISO code:
28
Steel < 750 N/mm²
suitable for / [m/min]
P
ISO code:
27
Steel < 900 N/mm²
suitable for / [m/min]
P
ISO code:
27
wet maximum
suitable for / [m/min]
 
dry
suitable for / [m/min]
 

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.

Application:

High precision countersinks for chatter-free countersinking.

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