HSS jobber drill Precision roll forged N 2,8 mm

Article no.: 114020 2,8
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  • Order steps: 5 Piece
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⌀ DC h8 (mm) Unit price incl. VAT
  • Tool material: HSS
  • Type: N
  • Tolerance nominal ⌀: h8
  • Point angle: 118
  • Shank: Plain shank

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Product details

Technical Data

Nominal ⌀ DC 2.8 mm
Coating uncoated
Tool material HSS
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 28.8 mm
Flute length Lc 33 mm
Overall length L 61 mm
Shank ⌀ Ds 2.8 mm
Feed f in steel < 750 N/mm2 0.03 mm/rev.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 114020 2,8
EAN / GTIN 4045197009708
Manufacturer number 114020 2,8

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:

Roll forged, standard helix angle, core thickness and core taper.
Dimensions to DIN 338.
Robust jobber drill with strengthened core and small chisel point for easy spot drilling and accurate centring of the designated hole. Precision roll forged flutes.

Recommendation:

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

Note:

Size 14-20: Shank ⌀ 13 mm with 3 drive flats.

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Number of cutting edges Z 2 2 2 2
Tool material HSS HSS HSS HSS
Tolerance nominal ⌀ h8 h8 h8 h8
Type N N N N
Flute length Lc 33 33 33 33
recommended maximum drilling depth L2 28.8 28.8 28.8 28.8
Type of product Jobber drill Jobber drill Jobber drill Jobber drill

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