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Plain shank thread mill with countersinking step 2×D, TiAlN, UNC: 1/2-13

Article no.: 139725 1/2-13

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UNC Unit price incl. VAT

Availability

  • Gewindeart: UNC; UNC-LH
  • Flank angle: 60
  • Schneidstoff: Solid carbide
  • Schaft: DIN 6535 HA with h6
  • Innenkühlung: yes

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Product details

Technical Data

Gewindegröße 1/2-13 UNC
Beschichtung TiAlN
Gewindeart UNC; UNC-LH
Flank angle 60 degrees
Schneidstoff Solid carbide
Schaft DIN 6535 HA with h6
Innenkühlung yes
Gewindesteigung 1.954 mm
Gänge pro Zoll 13
Nominal ⌀ DC 9.38 mm
Shank length Ls 45 mm
Overall length L 89 mm
Shank ⌀ Ds 14 mm
Neck ⌀ D1 13 mm
No. of teeth Z 3
Feed fz in steel < 1100 N/mm2 0.05 mm
Application for type of drilling up to 2×D for blind holes; up to 2×D for through holes
Senkstufenwinkel 90 degrees
Schafttoleranz h6
Number of clamping slots 3
Colour ring green
Innen-/Außenanwendung Internal
Hole ⌀ 9.38 mm
Thread depth 25.4 mm
Type of product thread milling cutter

Identification & Classification

Article number 139725 1/2-13
Manufacturer number 139725 1/2-13
Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Alu plastics
N
220
Aluminium (short chipping)
N
220
Alu > 10% Si
N
170
Steel < 500 N/mm²
P
170
Steel < 750 N/mm²
P
150
Steel < 900 N/mm²
P
120
Steel < 1100 N/mm²
P
80
Steel < 1400 N/mm²
P
60
Steel < 55 HRC
H
35
INOX < 900 N/mm²
M
90
INOX > 900 N/mm²
M
70
Ti > 850 N/mm²
S
60
GG(G)
K
120
CuZn
N
180
Uni
 
wet maximum
 

Description

Version:

Corrected thread profile for milling exact internal threads (ensure stable clamping conditions).
Incorporating a countersink profile for a 90° countersink.

Advantage:

Countersinking and thread milling in one operation!

Application:

For UNC unified coarse threads ASME-B1.1.

Note:

NEW GENERATION AVAILABLE!
Recommended successor product is No. 139723.

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