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HSS jobber drill N 28 mm

Article no.: 116320 28

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⌀ DC h8 (mm) Unit price incl. VAT
  • Tool material: HSS
  • Standard: DIN 345
  • Type: N
  • Tolerance nominal ⌀: h8
  • Point angle: 118

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Product details

Technical Data

Nominal ⌀ DC 28 mm
Coating uncoated
Tool material HSS
Standard 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 128 mm
Flute length Lc 170 mm
Overall length L 291 mm
Morse taper MT size 3
Feed f in steel < 750 N/mm2 0.25 mm/rev.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 116320 28
EAN / GTIN 4045197029805
Manufacturer number 116320 28

Application Table

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.

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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HSS jobber drill N 28 mm

HSS jobber drill N 28 mm

Number of cutting edges Z 2 2 2 2 3
Standard DIN 345 DIN 345 DIN 345 DIN 341 DIN 343
Shank Morse taper Morse taper Morse taper Morse taper Morse taper
Flute length Lc 170 170 170 222 170
Feed f in steel < 750 N/mm2 0.25 0.25 0.25 0.25 0.26
recommended maximum drilling depth L2 128 128 128 180 128
Type of product Jobber drill Jobber drill Jobber drill Jobber drill Jobber drill

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