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HSS jobber drill N, uncoated, ⌀ DC h8 (mm or inch): 20

Article no.: 114150 20

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

Nominal ⌀ DC 20 mm
Coating uncoated
Tool material HSS
Standard DIN 338
Type N
Tolerance nominal ⌀ h8
Point angle 118 degrees
Shank Plain shank
Number of cutting edges Z 2
Through-coolant no
recommended maximum drilling depth L2 110 mm
Flute length Lc 140 mm
Overall length L 205 mm
Shank ⌀ Ds 16 mm
Feed f in steel < 750 N/mm2 0.2 mm/rev.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 114150 20
EAN / GTIN 4045197013927
Manufacturer number 114150 20

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

Exécution:

Rectifiés: Forets hélicoïdaux avec grande précision de concentricité et de pas ainsi qu’un affûtage au sommet précis.
À partir de 2,4 mm, vaporisés.
Avec amincissement type C à partir de 4 mm.

Recommandation(s):

Profondeur de perçage maximale:
L2 = LC - 1,5 × DC.

Remarque(s):

Réf. 16 − 20: forets avec queue ⌀ 16 mm.

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Colour ring without Sans Sans Sans Sans Sans
Nominal ⌀ DC 20 mm 20 mm 20 mm 20 mm 20 mm 20 mm
Shank Plain shank Queue cylindrique Cône morse Cône morse Cône morse Queue cylindrique
Tool material HSS HSS HSS HSS HSS E HSS
Type N N N N INOX N
Flute length Lc 140 mm 140 mm 140 mm 140 mm 140 mm 140 mm
recommended maximum drilling depth L2 110 mm 110 mm 110 mm 110 mm 110 mm 110 mm

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