NC reamer H7 8,4

Article no.: 162900 8,4
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38 pieces in stock

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Nominal ⌀ DC mm or inch Unit price incl. VAT
  • 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

Nominal ⌀ DC 8.4 mm
Coating uncoated
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 33 mm
Overhang L1 80 mm
Overall length L 117 mm
Number of cutting edges Z 6
Shank ⌀ Ds 8 mm
Feed f in steel < 750 N/mm2 0.25 mm/rev.
Reaming oversize in diameter 0.1 mm - 0.2 mm
Shank tolerance h6
Colour ring green
Type of product Phillips bit

Identification numbers & Classifications

Article number 162900 8,4
EAN / GTIN 4045197090652
Manufacturer number 162900 8,4

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:

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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NC reamer H7 8,4

NC reamer H7 8,4

on request
In stock
38 pieces in stock
BGN 69.72
plus VAT at the current rate Prices plus delivery costs
on request
Available in 6-8 weeks
0 pieces in stock
BGN 189.83
plus VAT at the current rate Prices plus delivery costs
Coating uncoated uncoated
Overall length L 117 161
Nominal ⌀ DC 8.4 8.4
Standard Manufacturer’s standard DIN 311
Shank DIN 1835 A to h6 Morse taper
Tool material HSS E HSS
Type of product Phillips bit Phillips bit

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