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HSS-Co8 jobber drill 7 mm

Article no.: 114550 7

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⌀ DC h8 (mm) Unit price incl. VAT
  • Tool material: HSS Co 8
  • Standard: DIN 338
  • Tolerance nominal ⌀: h8
  • Point angle: 135
  • Helix angle: 35

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Product details

Technical Data

Nominal ⌀ DC 7 mm
Coating TiAlN
Tool material HSS Co 8
Standard DIN 338
Tolerance nominal ⌀ h8
Point angle 135 degrees
Helix angle 35 degrees
Shank Plain shank
Number of cutting edges Z 2
Through-coolant no
recommended maximum drilling depth L2 58.5 mm
Flute length Lc 69 mm
Overall length L 109 mm
Shank ⌀ Ds 7 mm
Feed f in stainless steel > 900 N/mm2 0.05 mm/rev.
Colour ring blue
Type of product Jobber drill

Identification numbers & Classifications

Article number 114550 7
EAN / GTIN 4045197021199
Manufacturer number 114550 7

Application Table

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
20
INOX > 900 N/mm²
M
15
Ti > 850 N/mm²
S
6
Oil
 
wet maximum
 

Description

Version:

Extremely high heat resistance,very robust due to strong core.
With point geometry shape C.

Recommendation:

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

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HSS-Co8 jobber drill  7 mm

HSS-Co8 jobber drill 7 mm

Number of cutting edges Z 2 2 2
Colour ring blue without without
Overall length L 109 mm 74 mm 109 mm
Standard DIN 338 DIN 1897 DIN 338
Shank Plain shank Plain shank Plain shank
Flute length Lc 69 mm 34 mm 69 mm
recommended maximum drilling depth L2 58.5 mm 23.5 mm 58.5 mm

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