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Jobber drill HSS-E FS, uncoated, ⌀ DC h8: 7,8mm

Article no.: 114450 7,8
Jobber drill HSS-E FS, uncoated, ⌀ D<sub>C</sub> h8: 7,8mm
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Jobber drill HSS-E FS, uncoated, ⌀ D<sub>C</sub> h8: 7,8mm
Click to enlarge image
Jobber drill HSS-E FS, uncoated, ⌀ D<sub>C</sub> h8: 7,8mm
Click to enlarge image
Jobber drill HSS-E FS, uncoated, ⌀ D<sub>C</sub> h8: 7,8mm
Click to enlarge image
plus VAT at the current rate Prices plus delivery costs

Scale prices:

  • from 1 Piece
    16,22 € / Piece
  • from 5 Piece
    13,51 € / Piece
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In stock
106 pieces in stock

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⌀ DC h8 (mm) Unit price incl. VAT
  • Tool material: HSS E
  • Standard: DIN 338
  • Type: FS
  • Tolerance nominal ⌀: h8
  • Point angle: 130
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Product details

Technical Data

Nominal ⌀ DC 7.8 mm
Coating uncoated
Tool material HSS E
Standard DIN 338
Type FS
Tolerance nominal ⌀ h8
Point angle 130 degrees
Shank Plain shank
Number of cutting edges Z 2
Through-coolant no
recommended maximum drilling depth L2 63.3 mm
Flute length Lc 75 mm
Overall length L 117 mm
Shank ⌀ Ds 7.8 mm
Feed f in steel < 750 N/mm2 0.07 mm/rev.
Colour ring without
Type of product Jobber drill

Identification numbers & Classifications

Article number 114450 7,8
EAN / GTIN 4045197018977
Manufacturer number 114450 7,8

Application Table

Alu plastics
N
70
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:

Profile ground: this ensures high concentricity and pitch accuracy. Precision ground point. Drill for production use.
Strengthened core.
Bright finish parabolic flutes, from 3 mm nitrided chamfers.
With point geometry shape C up to size 3.9 mm
With point geometry shape S from size 4 mm

Recommendation:

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

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Coating uncoated uncoated uncoated uncoated TiAlN TiAlN TiAlN TiAlN TiAlN
Overall length L 117 mm 117 mm 117 mm 117 mm 117 mm 117 mm 119 mm 117 mm 117 mm
Nominal ⌀ DC 7.8 mm 7.8 mm 7.8 mm 7.8 mm 7.8 mm 7.8 mm 7.8 mm 7.8 mm 7.8 mm
Tolerance nominal ⌀ h8 h8 h8 h8 h8 h8 h8 h8 h8
Shank ⌀ Ds 7.8 mm 7.8 mm 7.8 mm 7.8 mm 7.8 mm 7.8 mm 8 mm 7.8 mm 7.8 mm
recommended maximum drilling depth L2 63.3 mm 63.3 mm 63.3 mm 63.3 mm 63.3 mm 63.3 mm 63.3 mm 63.3 mm 63.3 mm
Type of product Jobber drill Jobber drill Jobber drill Jobber drill Jobber drill Jobber drill Jobber drill Jobber drill Jobber drill

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