Solid carbide HPC drill, plain shank DIN 6535 HB, TiAlN, ⌀ DC p6: 9mm

Article no.: 122738 9
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⌀ DC p6 (mm) Unit price incl. VAT

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  • Tool material: Solid carbide
  • Standard: DIN 6537 L
  • Version: 6×D
  • Tolerance nominal ⌀: p6
  • Number of cutting edges Z: 2

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Product details

Technical Data

Nominal ⌀ DC 9 mm
Coating TiAlN
Tool material Solid carbide
Standard DIN 6537 L
Version 6×D
Tolerance nominal ⌀ p6
Number of cutting edges Z 2
Point angle 140 degrees
recommended maximum drilling depth L2 47.5 mm
Shank DIN 6535 HB to h6
Through-coolant yes, with 25 bar
Machining strategy HPC
Semi-Standard yes
Flute length Lc 61 mm
Overall length L 103 mm
Shank ⌀ Ds 10 mm
Shank tolerance h6
Feed f in steel < 1100 N/mm2 0.27 mm/rev.
Colour ring green
Type of product Jobber drill

Identification & Classification

Article number 122738 9
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EAN / GTIN 4045197567741
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Manufacturer number 122738 9
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Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Steel < 500 N/mm²
suitable for / [m/min]
P
ISO code:
170
Steel < 750 N/mm²
suitable for / [m/min]
P
ISO code:
130
Steel < 900 N/mm²
suitable for / [m/min]
P
ISO code:
120
Steel < 1100 N/mm²
suitable for / [m/min]
P
ISO code:
110
Steel < 1400 N/mm²
suitable for / [m/min]
P
ISO code:
65
INOX < 900 N/mm²
suitable for / [m/min]
M
ISO code:
75
INOX > 900 N/mm²
suitable for / [m/min]
M
ISO code:
70
GG(G)
suitable for / [m/min]
K
ISO code:
95
Uni
suitable for / [m/min]
 
wet maximum
suitable for / [m/min]
 
wet minimum
suitable for / [m/min]
 
Air
suitable for / [m/min]
 

Description

Version:

Cutting chisel edge with high centring accuracy due to strong core and special point geometry. High roundness and alignment accuracy of the deep hole, thanks to 4 guide chamfers. Outstanding chip evacuation due to 4 internal cooling channels from ⌀ 3.8 mm. Up to 3.7 mm ⌀ with 2 internal cooling channels. With 140° point angle and special j6 cutting edge tolerance for optimum generation of a pilot hole.

Note:

Flute length LC = L2 + 1.5 × DC.
For deep-hole drilling deeper than 12×D a pilot hole is recommended, and for deep-hole drilling from 20×D to 30×D it is essential.
The generation of a pilot hole always improves process reliability.

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