HSS jobber drill precision rolled N 20 mm HOLEX

Article no.: 114020 20
plus VAT at the current rate Prices plus delivery costs
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129 pieces in stock

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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 20 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 110 mm
Flute length Lc 140 mm
Overall length L 205 mm
Shank ⌀ Ds 13 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 114020 20
EAN / GTIN 4045197010605
Manufacturer number 114020 20

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 2
Colour ring without without without without without
Tool material HSS HSS HSS HSS HSS
Point angle 118 degrees 118 degrees 118 degrees 118 degrees 118 degrees
Tolerance nominal ⌀ h8 h8 h8 h8 h8
Flute length Lc 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

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