Solid carbide high performance drill plain shank DIN 6535 HA, TiN, ⌀ DC h7: 7,5mm

Article no.: 123306 7,5
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  • INR 0.95 /pcs.
  • INR 0.95 /pcs.
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⌀ DC h7 (mm) Unit price incl. VAT

Availability

  • Tool material: Solid carbide
  • Standard: Manufacturer’s standard
  • Version: 12×D
  • Tolerance nominal ⌀: h7
  • Number of cutting edges Z: 2

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Product details

Technical Data

Nominal ⌀ DC 7.5 mm
Coating TiN
Tool material Solid carbide
Standard Manufacturer’s standard
Version 12×D
Tolerance nominal ⌀ h7
Number of cutting edges Z 2
Point angle 135 degrees
recommended maximum drilling depth L2 96.8 mm
Shank DIN 6535 HA to h6
Through-coolant yes, with 25 bar
Flute length Lc 108 mm
Overall length L 146 mm
Shank ⌀ Ds 8 mm
Shank tolerance h6
Feed f in steel < 1100 N/mm2 0.15 mm/rev.
Colour ring green
Type of product Jobber drill

Identification & Classification

Article number 123306 7,5
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EAN / GTIN 4045197448613
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Manufacturer number 123306 7,5
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Manufacturer 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:
175
Alu > 10% Si
suitable for / [m/min]
N
ISO code:
135
Steel < 500 N/mm²
suitable for / [m/min]
P
ISO code:
105
Steel < 750 N/mm²
suitable for / [m/min]
P
ISO code:
85
Steel < 900 N/mm²
suitable for / [m/min]
P
ISO code:
75
Steel < 1100 N/mm²
suitable for / [m/min]
P
ISO code:
45
Steel < 1400 N/mm²
suitable for / [m/min]
P
ISO code:
30
INOX < 900 N/mm²
suitable for / [m/min]
M
ISO code:
35
INOX > 900 N/mm²
suitable for / [m/min]
M
ISO code:
30
GG(G)
suitable for / [m/min]
K
ISO code:
65
Uni
suitable for / [m/min]
 
wet maximum
suitable for / [m/min]
 

Description

Version:

Strong core and special point geometry −ensure the cutting chisel edges maintain high self-centring accuracy.
Straight cutting edges
with slight edge hone and a special flute profile produce short chips.

Note:

Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 123307.
Form HE: order with No. 123308.
NEW GENERATION AVAILABLE!
Recommended successor product is No. 123303.

For process reliability when using the 12×D drill, an initial centre drilling with NC spotting drills No. 121068 - 121130 or HOLEX Pro Steel No. 122501 is necessary.

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