Solid carbide high performance drill, Weldon shank DIN 6535 HB TiN 3,5 mm HOLEX

Article no.: 123307 3,5
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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 3,5 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 48,8 mm
Shank DIN 6535 HB to h6
Through-coolant yes, with 25 bar
Pilot drill required yes, pilot drill
Flute length Lc 54 mm
Overall length L 92 mm
Shank ⌀ Ds 6 mm
Shank tolerance h6
Feed f in steel < 1100 N/mm2 0,1 mm/rev.
Colour ring green
Type of product Jobber drill

Identification & Classification

Article number 123307 3,5
EAN / GTIN 4045197449887
Manufacturer number 123307 3,5
Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Deutschland, www.hoffmann-group.com

Application Table

Aluminium (short chipping)
N
175
Alu > 10% Si
N
135
Steel < 500 N/mm²
P
105
Steel < 750 N/mm²
P
85
Steel < 900 N/mm²
P
75
Steel < 1100 N/mm²
P
45
Steel < 1400 N/mm²
P
30
INOX < 900 N/mm²
M
35
INOX > 900 N/mm²
M
30
GG(G)
K
65
Uni
 
wet maximum
 

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.
For process reliability when using the 12×D deep-hole drill, an initial centre drilling with No. 121068121130 or 3×D pilot drilling operation with No. 122736 is necessary.

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