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Plain shank thread mill 2×D M8

Article no.: 139658 M8
  • Thread type: M; M-LH
  • Flank angle: 60
  • Tool material: Solid carbide
  • Thread standard: DIN 13
  • Shank: DIN 6535 HA with h6

Product details

Technical Data

Thread size M8
Coating TiAlN
Thread type M; M-LH
Flank angle 60 degrees
Tool material Solid carbide
Thread standard DIN 13
Shank DIN 6535 HA with h6
Thread pitch 1.25 mm
Nominal ⌀ DC 6.22 mm
Shank length Ls 40 mm
Overall length L 74 mm
Shank ⌀ Ds 10 mm
Neck ⌀ D1 9 mm
Programming value for countersink Lc 17.8 mm
Through-coolant yes
No. of teeth Z 3
Application for type of drilling up to 2×D for blind holes; up to 2×D for through holes
Countersink angle 90 degrees
Feed fz in steel < 1100 N/mm2 0.025 mm
Shank tolerance h6
Number of clamping slots 3
Colour ring green
Internal/external application Internal
Thread depth 16 mm

Identification numbers & Classifications

Article number 139658 M8

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).
Shaft incorporates a countersinking step for a 90° counterbore.
Internal coolant feed.

Advantage:

Countersinking and thread milling in one operation!

Note:

NEW GENERATION AVAILABLE!
Recommended successor products are No. 139653 and 139654

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