Machine reamer H7, uncoated, Nominal ⌀ DC: 44mm

Article no.: 164000 44
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  • Tolerance: H7
  • Tool material: HSS E
  • Standard: DIN 208 B
  • Helix angle: 7-8
  • Through-coolant: no

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Product details

Technical Data

Nominal ⌀ DC 44 mm
Coating uncoated
Tolerance H7
Tool material HSS E
Standard DIN 208 B
Helix angle 7-8 degrees
Through-coolant no
Shank Morse taper
Application for type of drilling for through hole
Flute length Lc 83 mm
Overhang L1 215 mm
Overall length L 336 mm
Number of cutting edges Z 12
Morse taper MT size 4
Feed f in steel < 750 N/mm2 0.35 mm/rev.
Reaming oversize in diameter 0.3 mm - 0.5 mm
Colour ring without
Type of product Phillips bit

Identification & Classification

Article number 164000 44
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EAN / GTIN 4045197092113
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Manufacturer number 164000 44
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Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Aluminium
suitable for / [m/min]
N
ISO code:
20
Aluminium (short chipping)
suitable for / [m/min]
N
ISO code:
20
Steel < 500 N/mm²
suitable for / [m/min]
P
ISO code:
15
Steel < 750 N/mm²
suitable for / [m/min]
P
ISO code:
10
Steel < 900 N/mm²
suitable for / [m/min]
P
ISO code:
7
Steel < 1100 N/mm²
suitable for / [m/min]
P
ISO code:
5
Steel < 1400 N/mm²
suitable for / [m/min]
P
ISO code:
4
INOX < 900 N/mm²
suitable for / [m/min]
M
ISO code:
5
INOX > 900 N/mm²
suitable for / [m/min]
M
ISO code:
5
Ti > 850 N/mm²
suitable for / [m/min]
S
ISO code:
5
GG(G)
suitable for / [m/min]
K
ISO code:
5
Cu
suitable for / [m/min]
N
ISO code:
13
Oil
suitable for / [m/min]
 
wet maximum
suitable for / [m/min]
 

Description

Version:

Even number of teeth with irregular spacing. The hole is accurately round and free of chatter marks. The cylindrical ground land on the plain cutting section smooths the hole and guides the reamer. With Morse taper shank.
Reamers finish ground for fit H7.

Application:

For reaming through holes, as the chips are evacuated in the cutting direction. Also suitable for blind holes due to the short chamfer lead.

Note:

For suitable reducing adapters for tools with MT shanks see No. 343000-343530.

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