HSS jobber drill N 15,25 mm

Article no.: 116340 15,25
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⌀ DC h8 (mm) Unit price incl. VAT
  • Tool material: HSS
  • Norm: DIN 345
  • Type: N
  • Tolerance nominal ⌀: h8
  • Point angle: 118

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Product details

Technical Data

Nominal ⌀ DC 15.25 mm
Coating uncoated
Tool material HSS
Norm DIN 345
Type N
Tolerance nominal ⌀ h8
Point angle 118 degrees
Helix angle 20-30 degrees
Shank Morse taper
Number of cutting edges Z 2
Through-coolant no
recommended maximum drilling depth L2 97.1 mm
Flute length Lc 120 mm
Overall length L 218 mm
Morse taper MT size 2
Feed f in steel < 750 N/mm2 0.16 mm/rev.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 116340 15,25
EAN / GTIN 4045197030276
Manufacturer number 116340 15,25

Application Table

Aluminium (short chipping)
N
45
Steel < 500 N/mm²
P
40
Steel < 750 N/mm²
P
30
Steel < 900 N/mm²
P
25
GG(G)
K
25
Oil
 
wet maximum
 

Description

Version:

Special surface treatment, resulting in reduced tendency to edge build-up and improved chip evacuation.
Top quality high performance twist drills.
Cutting edge section ≤ 26.5 mm ⌀ ground from solid, > 26.5 mm ⌀ milled. This ensures high concentricity and pitch accuracy, and precision ground point up to 40 mm ⌀.
With shape A point.

Recommendation:

Maximum drilling depth:
L2 = LC - 1.5 × DC.

Note:

For suitable reducing adapters for tools with MT shanks see No. 343000-343530.

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Number of cutting edges Z 2 2 2 2 3 2
Through-coolant no no no no no no
Nominal ⌀ DC 15.25 15.25 15.25 15.25 15.25 15.25
Tool material HSS HSS HSS HSS E HSS HSS
Tolerance nominal ⌀ h8 h8 h8 h8 h8 h8
Feed f in steel < 750 N/mm2 0.16 0.16 0.16 0.16 0.17 0.16
recommended maximum drilling depth L2 97.1 97.2 97.1 97.1 97.1 97.2

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