HSS jobber drill N 31 mm

Article no.: 116320 31
plus VAT at the current rate Prices plus delivery costs
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In stock
73 pieces in stock

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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 31 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 133.5 mm
Flute length Lc 180 mm
Overall length L 301 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 31
EAN / GTIN 4045197029867
Manufacturer number 116320 31

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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Number of cutting edges Z 2 2 2 3
Colour ring without without without without
Overall length L 301 301 360 301
Nominal ⌀ DC 31 31 31 31
Shank Morse taper Morse taper Morse taper Morse taper
Type N N N N
Feed f in steel < 750 N/mm2 0.25 0.25 0.25 0.29

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