Jobber drill HSS N, TiN, ⌀ DC h8: 7,9mm

Article no.: 114360 7,9
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  • Order steps: 5 Piece
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581 pieces in stock

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⌀ DC h8 (mm) Unit price incl. VAT
  • Tool material: HSS
  • Standard: DIN 338
  • Type: N
  • Tolerance nominal ⌀: h8
  • Point angle: 118

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Product details

Technical Data

Nominal ⌀ DC 7.9 mm
Coating TiN
Tool material HSS
Standard DIN 338
Type N
Tolerance nominal ⌀ h8
Point angle 118 degrees
Helix angle 35-40 degrees
Shank Plain shank
Number of cutting edges Z 2
Through-coolant no
recommended maximum drilling depth L2 63.2 mm
Flute length Lc 75 mm
Overall length L 117 mm
Shank ⌀ Ds 7.9 mm
Feed f in steel < 500 N/mm2 0.13 mm/rev.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 114360 7,9
EAN / GTIN 4045197016850
Manufacturer number 114360 7,9

Application Table

Aluminium (short chipping)
N
56
Alu > 10% Si
N
50
Steel < 500 N/mm²
P
50
Steel < 750 N/mm²
P
37
Steel < 900 N/mm²
P
31
Steel < 1100 N/mm²
P
12
Steel < 1400 N/mm²
P
10
INOX < 900 N/mm²
M
15
INOX > 900 N/mm²
M
10
Ti > 850 N/mm²
S
6
GG(G)
K
31
CuZn
N
80
Oil
 
wet maximum
 

Description

Modelis:

Standartinė šerdis be pastorinto koto. Preciziškai užgaląsta grąžto viršūnė.
Nušlifuotas profilis: žemas radialinis mušimas ir tikslus spiralės žingsnis, grąžtas serijinei gamybai.
Viršūnės forma C nuo dydžio 2,4 mm.

Rekomendacija:

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

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Number of cutting edges Z 2 2 2 2 2 2
Coating TiN be dangos be dangos be dangos TiAlN be dangos
Nominal ⌀ DC 7.9 mm 7,9 mm 7,9 mm 7,9 mm 7,9 mm 7,9 mm
Tool material HSS HSS HSS HSS HSS E HSS
Flute length Lc 75 mm 75 mm 75 mm 75 mm 75 mm 75 mm
recommended maximum drilling depth L2 63.2 mm 63,2 mm 63,2 mm 63,2 mm 63,2 mm 63,2 mm
Type of product Jobber drill Spiralinis grąžtas Spiralinis grąžtas Spiralinis grąžtas Spiralinis grąžtas Spiralinis grąžtas

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