Solid carbide NC spotting drill 90° spiral flutes, TiAlN, ⌀ DC h6: 12mm

Article no.: 121040 12
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⌀ DC h6 (mm) Unit price incl. VAT

Availability

  • Schneidstoff: Solid carbide
  • Standard: Manufacturer’s standard
  • Toleranz Nenn-⌀: h6
  • Point angle: 90
  • Schaft: DIN 6535 HB to h6

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Product details

Technical Data

Schafttoleranz h6
Nominal ⌀ DC 12 mm
Beschichtung TiAlN
Schneidstoff Solid carbide
Standard Manufacturer’s standard
Toleranz Nenn-⌀ h6
Point angle 90 degrees
Schaft DIN 6535 HB to h6
Number of cutting edges Z 2
Innenkühlung no
Flute length Lc 24 mm
Overall length L 70 mm
Shank ⌀ Ds 12 mm
Feed f in steel < 1100 N/mm2 0.03 mm/rev.
Colour ring without
Type of product Spotting drill

Identification & Classification

Article number 121040 12
EAN / GTIN 4045197038586
Manufacturer number 121040 12
Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Alu plastics
N
260
Aluminium (short chipping)
N
240
Alu > 10% Si
N
200
Steel < 500 N/mm²
P
90
Steel < 750 N/mm²
P
80
Steel < 900 N/mm²
P
65
Steel < 1100 N/mm²
P
55
INOX < 900 N/mm²
M
35
INOX > 900 N/mm²
M
30
Ti > 850 N/mm²
S
40
GG(G)
K
90
CuZn
N
200
Uni
 
Oil
 
wet maximum
 
dry
 

Description

Version:

Exactly central ground point. Easy spot drilling and high shape accuracy of the centre hole. Sturdy due to short flutes.
≥ ⌀ 6 mm with HB drive flat.

Application:

Point angle 90° for spot drilling and countersinking in one operation when a drill of smaller ⌀ is used afterwards.

Note:

Use the speed for the actual hole ⌀ (not generally the speed for the drill outer ⌀).

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