NC reamer H7, uncoated, Nominal ⌀ DC mm or inch: 7/32

Article no.: 162900 7/32
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  • Tolerance: H7
  • Tool material: HSS E
  • Standard: Manufacturer’s standard
  • Through-coolant: no
  • Shank: DIN 1835 A to h6

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Product details

Technical Data

Coating uncoated
Inch nominal ⌀ corresponds to 5.556 mm
Tolerance H7
Tool material HSS E
Standard Manufacturer’s standard
Through-coolant no
Shank DIN 1835 A to h6
Application for type of drilling for through holes
Flute length Lc 26 mm
Overhang L1 56 mm
Overall length L 93 mm
Number of cutting edges Z 8
Shank ⌀ Ds 6 mm
Feed f in steel < 750 N/mm2 0.2 mm/rev.
Reaming oversize in diameter 0.1 mm - 0.2 mm
Shank tolerance h6
Colour ring green
Type of product Phillips bit

Identification & Classification

Article number 162900 7/32
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EAN / GTIN 4062406146726
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Manufacturer number 162900 7/32
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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
CuZn
suitable for / [m/min]
N
ISO code:
13
Uni
suitable for / [m/min]
 
Oil
suitable for / [m/min]
 
wet maximum
suitable for / [m/min]
 

Description

Version:

Version suitable for NC similar to DIN 212 with straight shank ⌀ for standard chucking especially in hydraulic chucks or high precision collet chucks. For highest concentricity and process reliability. No need to order special collets.
With long flutes and left-hand helix.
≤ ⌀ size 1.7 with 3 teeth; ≥ ⌀ size 1.8 even number of teeth and irregular spacing. ≤ ⌀ size 3.7 both ends with centre points; ≥ ⌀ size 3.8 both ends with centre holes.
Reamer manufacturing or cutting edge tolerance to DIN1420 for H7 bore tolerance.

Note:

For reamers in 1/100 sizes see No. 162902.
For reamers with diameters and fits to specification see No. 162951

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