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HSS jobber drill N 7,55

Article no.: 114150 7,55
  • Tool material: HSS
  • Norma: DIN 338
  • Type: N
  • Tolerancija Nominalusis ⌀: h8
  • Smailas kampas: 118

Product details

Technical Data

Nominalusis ⌀ DC 7,55 mm
Coating uncoated
Tool material HSS
Norma DIN 338
Type N
Tolerancija Nominalusis ⌀ h8
Smailas kampas 118 laipsniai
Kotas Cilindrinis kotas
Pjovimo briaunų skaičius Z 2
Through-coolant no
rekomenduojamas maksimalus gręžimo gylis L2 63,7 mm
Užspaudimo griovelio ilgis c 75 mm
Bendras ilgis L 117 mm
Koto ⌀ Ds 7,55 mm
Pastūma f plienui < 750 N/mm2 0,07 mm/aps.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 114150 7,55
EAN / GTIN 4045197302335

Application Table

Alu plastics
N
80
Aluminium (short chipping)
N
45
Alu > 10% Si
N
50
Steel < 500 N/mm²
P
40
Steel < 750 N/mm²
P
30
Steel < 900 N/mm²
P
25
Steel < 1100 N/mm²
P
10
Steel < 1400 N/mm²
P
8
GG(G)
K
25
CuZn
N
80
Oil
 
wet maximum
 

Description

Modelis:

Nušlifuotas profilis: mažas radialinis mušimas ir tiksliai užgaląsta viršūnė.
Nuo ⌀ 2,4 mm oksiduoti.
Viršūnės forma C nuo dydžio 4 mm.

Rekomendacija:

Maksimalus gręžimo gylis:
L2 = LC - 1,5 × DC.

Pastaba:

Dyd. 16 − 20: grąžtų koto ⌀ 16 mm.

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