Jobber drill HSS N 7,8 mm GARANT

Article no.: 114150 7,8
plus VAT at the current rate Prices plus delivery costs
on request
In stock
792 pieces in stock

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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

Nominal ⌀ DC 7,8 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 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 114150 7,8
EAN / GTIN 4045197013262
Manufacturer number 114150 7,8

Application Table

Alu plastics
N
80
Aluminium (short chipping)
N
45
Alu > 10% Si
N
50
Steel < 500 N/mm²
P
40
Steel < 750 N/mm²
P
30
Steel < 900 N/mm²
P
25
Steel < 1100 N/mm²
P
10
Steel < 1400 N/mm²
P
8
GG(G)
K
25
CuZn
N
80
Oil
 
wet maximum
 

Description

Version:

Profile ground: Jobber drill with high pitch accuracy and concentricity as well as precision ground point.
Steam tempered from ⌀ 2.4 mm.
With point geometry shape C from size 4 mm

Recommendation:

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

Note:

Size 16 - 20: Drills with shank ⌀ 16 mm.

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Number of cutting edges Z 2 2 2 2 2 2
Coating uncoated uncoated uncoated TiN TiAlN uncoated
Colour ring without without without without green without
Overall length L 117 mm 117 mm 117 mm 117 mm 117 mm 117 mm
Shank Plain shank Plain shank Plain shank Plain shank Plain shank Plain shank
Tool material HSS HSS HSS HSS HSS E HSS
Shank ⌀ Ds 7,8 mm 7,8 mm 7,8 mm 7,8 mm 7,8 mm 7,8 mm

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