HOLEX CleverDrill HSS jobber drill N, uncoated, ⌀ DC h8 (mm or inch): 20

Article no.: 114031 20
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⌀ DC h8 (mm or inch) Unit price incl. VAT
  • Tool material: HSS
  • Standard: DIN 338
  • Type: N
  • Tolerance nominal ⌀: h8
  • Point angle: 118

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Product details

Technical Data

Series CleverDrill
Nominal ⌀ DC 20 mm
Coating uncoated
Tool material HSS
Standard DIN 338
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 12.7 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 114031 20
EAN / GTIN 4062406744991
Manufacturer number 114031 20

Application Table

Alu plastics
N
80
Aluminium (short chipping)
N
60
Alu > 10% Si
N
50
Steel < 500 N/mm²
P
35
Steel < 750 N/mm²
P
32
Steel < 900 N/mm²
P
22
Steel < 1100 N/mm²
P
18
GG(G)
K
30
CuZn
N
40
Oil
 
wet maximum
 

Description

Version:

HOLEX CleverDrill: Sturdy drills for all standard applications. Improved spot drilling behaviour due to cross-ground form. Standard core thickness and core taper. Profile ground. Surface: Bronze-coloured tempered helical flutes.

Recommendation:

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

Note:

Successor product to No. 114030.
Size 13.2 – 20: With stepped shank ⌀ 12.7 mm.

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