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Counterbore without pilot, Countersink ⌀ DC: 15mm

Article no.: 156520 15
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Countersink ⌀ DC (mm) Unit price incl. VAT

Availability

  • Tool material: HSS
  • Standard: DIN 375
  • Shank: Morse taper

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Product details

Technical Data

Counterbore ⌀ 15 mm
Tool material HSS
Standard DIN 375
Shank Morse taper
for screw size M8
Hole ⌀ a 4 mm
Overall length L 132 mm
Morse taper MT 2
Feed f in steel < 500 N/mm2 0.12 mm/rev.
Colour ring without
Type of product Counterbore

Identification & Classification

Article number 156520 15
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EAN / GTIN 4045197088017
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Manufacturer number 156520 15
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Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

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]
 

Description

Version:

Multi-edged, spiral fluted counterbore with recess in face for fitting various pilots. Pilot is clamped with a screw in the counterbore.

Application:

One counterbore can be used for several pilot holes of different diameters due to the interchangeable pilots.

Note:

The dimensions relate to screws DIN 912, 6912, 7984 and ISO 1207. However, with an appropriate pilot, a counterbore can be used for other screw sizes or counterbore / pilot diameter combinations.
For suitable reducing adapters for tools with MT shanks see No. 343000-343530.

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