Solid carbide HPC micro-drill, TiAlN, ⌀ DC +0.004: 2,5mm

Article no.: 121220 2,5
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⌀ DC +0.004 (mm) Unit price incl. VAT

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  • Tool material: Solid carbide
  • Standard: Manufacturer’s standard
  • Type: N
  • Tolerance nominal ⌀: 0 / 0.004
  • Number of cutting edges Z: 2

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Product details

Technical Data

Nominal ⌀ DC 2.5 mm
Coating TiAlN
Tool material Solid carbide
Standard Manufacturer’s standard
Type N
Tolerance nominal ⌀ 0 / 0.004
Number of cutting edges Z 2
Point angle 130 degrees
recommended maximum drilling depth L2 11.3 mm
Shank Parallel shank to h6
Through-coolant no
Machining strategy HPC
Semi-Standard yes
Flute length Lc 15 mm
Overall length L 46 mm
Shank ⌀ Ds 3 mm
Shank tolerance h6
Feed f in steel < 1100 N/mm2 0.05 mm/rev.
Colour ring without
Type of product Jobber drill

Identification & Classification

Article number 121220 2,5
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EAN / GTIN 4045197353443
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Manufacturer number 121220 2,5
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Manufacturer 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:
200
Aluminium (short chipping)
suitable for / [m/min]
N
ISO code:
140
Alu > 10% Si
suitable for / [m/min]
N
ISO code:
140
Steel < 500 N/mm²
suitable for / [m/min]
P
ISO code:
70
Steel < 750 N/mm²
suitable for / [m/min]
P
ISO code:
70
Steel < 900 N/mm²
suitable for / [m/min]
P
ISO code:
70
Steel < 1100 N/mm²
suitable for / [m/min]
P
ISO code:
55
Steel < 1400 N/mm²
suitable for / [m/min]
P
ISO code:
35
Steel < 55 HRC
suitable for / [m/min]
H
ISO code:
25
INOX < 900 N/mm²
suitable for / [m/min]
M
ISO code:
35
INOX > 900 N/mm²
suitable for / [m/min]
M
ISO code:
30
Ti > 850 N/mm²
suitable for / [m/min]
S
ISO code:
20
GG(G)
suitable for / [m/min]
K
ISO code:
90
CuZn
suitable for / [m/min]
N
ISO code:
140
Uni
suitable for / [m/min]
 
wet maximum
suitable for / [m/min]
 
dry
suitable for / [m/min]
 

Description

Version:

High performance miniature drill with extra long flutes.
Shank ⌀ 3 h6 for shrink-fit chucks.
High concentricity, precision ground for HPC applications in steel.

Note:

Flute length LC = L2 + 1.5 × DC.

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