Solid carbide HPC drill, plain shank DIN 6535 HA, DLC, ⌀ DC h7: 2,9mm

Article no.: 123178 2,9
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⌀ DC h7 (mm) Unit price incl. VAT

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  • Tool material: solid carbide
  • Standard: Manufacturer’s standard
  • Version: 12×D
  • Type: W
  • Tolerance nominal ⌀: h7

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Product details

Technical Data

Nominal ⌀ DC 2.9 mm
Coating DLC
Tool material solid carbide
Standard Manufacturer’s standard
Version 12×D
Type W
Tolerance nominal ⌀ h7
Number of cutting edges Z 2
Point angle 135 degrees
recommended maximum drilling depth L2 37.7 mm
Shank DIN 6535 HA to h6
Through-coolant yes, with 25 bar
Machining strategy HPC
Semi-Standard yes
Flute length Lc 42 mm
Overall length L 81 mm
Shank ⌀ Ds 4 mm
Shank tolerance h6
Feed f in aluminium short-chipping 0.22 mm/rev.
Colour ring yellow
Type of product Jobber drill

Identification & Classification

Article number 123178 2,9
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EAN / GTIN 4045197754851
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Manufacturer number 123178 2,9
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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:
250
Aluminium (short chipping)
suitable for / [m/min]
N
ISO code:
280
Alu > 10% Si
suitable for / [m/min]
N
ISO code:
245
PMMA acrylic
suitable for / [m/min]
N
ISO code:
105
PEEK
suitable for / [m/min]
N
ISO code:
85
PVDF GF20
suitable for / [m/min]
N
ISO code:
60
PA 66 GF30
suitable for / [m/min]
N
ISO code:
55
PEEK GF30
suitable for / [m/min]
N
ISO code:
50
PTFE CF25
suitable for / [m/min]
N
ISO code:
55
Cu
suitable for / [m/min]
N
ISO code:
120
CuZn
suitable for / [m/min]
N
ISO code:
150
GRP
suitable for / [m/min]
N
ISO code:
55
CRP
suitable for / [m/min]
N
ISO code:
55
wet maximum
suitable for / [m/min]
 
wet minimum
suitable for / [m/min]
 

Description

Version:

DLC coating sp2 of the latest generation with low coefficient of friction results in outstanding chip clearance. For high-performance milling of aluminium materials. High roundness and alignment accuracy of the deep hole, thanks to 6 guide chamfers.

Note:

Flute length LC = L2 + 1.5 × DC.
For process reliability when using the 12×D drill, an initial centre drilling with NC spotting drills No. 121068121130 is necessary.
Form HB and HE are supplied at the same price as HA.
Order form HB: with No. 123179.
Order form HE: with No. 123178 + 129100HE.

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