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NC reamer H7 3,8

Article no.: 162900 3,8
  • Tolerance: H7
  • Tool material: HSS E
  • Standard: Manufacturer’s standard
  • Through-coolant: no
  • Shank: DIN 1835 A to h6

Product details

Technical Data

Nominal ⌀ DC 3.8 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 19 mm
Overhang L1 46 mm
Overall length L 75 mm
Number of cutting edges Z 6
Shank ⌀ Ds 4 mm
Feed f in steel < 750 N/mm2 0.15 mm/rev.
Reaming oversize in diameter 0.1 mm
Shank tolerance h6
Colour ring green
Type of product Phillips bit

Identification numbers & Classifications

Article number 162900 3,8
EAN / GTIN 4045197089953

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

Izvedba:

NC strojna izvedba slično DIN 212 s ravnim ⌀ drške za standardizirani prihvat specijalno za hidraulične držače ili visoko precizne držače s čahurom. Za vrhunsku koncentričnost i sigurnost procesa. Nije potrebna upotreba specijalnih čahura.
S dugačkim žljebovima i lijevom spiralom.
≤ ⌀ vel. 1,7 s tri zuba; ≥ ⌀ vel. 1,8 parni broj zuba i nejednaka podjela zuba. ≤ ⌀ vel. 3,7 obostrano s centrirajućim vrhom; ≥ ⌀ vel. 3,8 obostrano sa centrirajućim rupama.
Tolerancija kod proizvodnje razvrtača odn. rezanja u skladu s DIN1420 za H7 toleranciju rupe.

Napomena:

Razvrtače u dimenzijama 1/100, pogledajte br. 162902.
Razvrtači za promjer i dosjed prema navodu, pogledajte br. 162951

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    Nazivni ⌀ DC h8 (mm odn. cola) Unit price incl. VAT
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