Jobber drill HSS N TiN 7,4 mm HOLEX

Article no.: 114360 7,4
plus VAT at the current rate Prices plus delivery costs
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In stock
227 pieces in stock

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⌀ DC h8 (mm) 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

Nominal ⌀ DC 7,4 mm
Coating TiN
Tool material HSS
Standard DIN 338
Type N
Tolerance nominal ⌀ h8
Point angle 118 degrees
Helix angle 35-40 degrees
Shank Plain shank
Number of cutting edges Z 2
Through-coolant no
recommended maximum drilling depth L2 57,9 mm
Flute length Lc 69 mm
Overall length L 109 mm
Shank ⌀ Ds 7,4 mm
Feed f in steel < 500 N/mm2 0,13 mm/rev.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 114360 7,4
EAN / GTIN 4045197016805
Manufacturer number 114360 7,4

Application Table

Aluminium (short chipping)
N
56
Alu > 10% Si
N
50
Steel < 500 N/mm²
P
50
Steel < 750 N/mm²
P
37
Steel < 900 N/mm²
P
31
Steel < 1100 N/mm²
P
12
Steel < 1400 N/mm²
P
10
INOX < 900 N/mm²
M
15
INOX > 900 N/mm²
M
10
Ti > 850 N/mm²
S
6
GG(G)
K
31
CuZn
N
80
Oil
 
wet maximum
 

Description

Version:

Standard core without core taper.
Precision ground point.
Profile ground:
High concentricity and pitch accuracy, drills for series production use.
With point geometry shape C from size 2.4 mm

Recommendation:

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

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Number of cutting edges Z 2 2 2 2 2 2
Colour ring without without without without without without
Tool material HSS HSS HSS HSS HSS HSS
Type N N N N N N
Flute length Lc 69 69 69 69 34 69
Shank ⌀ Ds 7,4 7,4 7,4 7,4 7,4 7,4
Type of product Jobber drill Jobber drill Jobber drill Jobber drill Jobber drill Jobber drill

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