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Machine reamer H7 4,4 mm

Article no.: 163000 4,4
  • Tolerance: H7
  • Tool material: HSS E
  • Standard: DIN 212 B
  • Through-coolant: no
  • Shank: Plain shank with h9

Product details

Technical Data

Nominal ⌀ DC 4.4 mm
Coating uncoated
Tolerance H7
Tool material HSS E
Standard DIN 212 B
Through-coolant no
Shank Plain shank with h9
Application for type of drilling for through holes
Flute length Lc 21 mm
Overhang L1 51 mm
Overall length L 80 mm
Number of cutting edges Z 6
Shank ⌀ Ds 4.5 mm
Feed f in steel < 750 N/mm2 0.15 mm/rev.
Reaming oversize in diameter 0.1 mm
Shank tolerance h9
Colour ring without
Type of product Phillips bit

Identification numbers & Classifications

Article number 163000 4,4
EAN / GTIN 4045197252821

Application Table

Aluminium
N
20
Aluminium (short chipping)
N
20
Steel < 500 N/mm²
P
15
Steel < 750 N/mm²
P
10
Steel < 900 N/mm²
P
7
Steel < 1100 N/mm²
P
5
Steel < 1400 N/mm²
P
4
INOX < 900 N/mm²
M
5
INOX > 900 N/mm²
M
5
Ti > 850 N/mm²
S
5
GG(G)
K
5
CuZn
N
13
Uni
 
Oil
 
wet maximum
 

Description

Version:

With long flutes and left-hand helix.
From size 1.8 even number of teeth and uneven spacing.
Up to size 3.7 both ends with external centres;
from size 3.9 both ends with internal centres.
Reamers finish ground for fit H7.

Application:

For reaming through holes. Also suitable for blind holes (from 3.9 mm ⌀) due to short chamfer lead.

Note:

  • Straight flute machine chucking reamers − available ex-stock.
  • For reamers with other diameters and fits see No. 162951.

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