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Mini counterbore for through holes 90° 11,5X6,4 mm

Article no.: 155600 11,5X6,4
  • Tool material: HSS E
  • Number of cutting edges Z: 3
  • Standard: DIN 1866 A
  • Shank: Plain shank
  • Countersink angle: 90

Product details

Technical Data

Counterbore ⌀ 11.5 mm
Coating uncoated
Pin ⌀ 6,4 mm
Tool material HSS E
Number of cutting edges Z 3
Standard DIN 1866 A
Shank Plain shank
Countersink angle 90 degrees
for screw size M6
Overall length L 80 mm
Shank ⌀ Ds 11.5 mm
Feed f in steel < 500 N/mm2 0.12 mm/rev.
Through-coolant no
Pre-drill ⌀ 6.4 mm
Step height L1 1st step with chamfer 6.5 mm
Cutter length lc 18 mm
Point angle 90 degrees
Type of product Counterbore

Identification numbers & Classifications

Article number 155600 11,5X6,4
EAN / GTIN 4045197462824

Application Table

Aluminium (short chipping)
N
33
Steel < 500 N/mm²
P
28
Steel < 750 N/mm²
P
27
Steel < 900 N/mm²
P
27
INOX < 900 N/mm²
M
8
INOX > 900 N/mm²
M
5
wet maximum
 

Description

Version:

Spiral fluted counterbore with fixed pilot.
DIN 1866-A / ISO 4205.

Application:

For through hole quality fine (ISO values) to DIN 69.
For countersunk screws to ISO 2009, 2010, 7046, 7047 (DIN 963, 964, 965, 966).

Note:

Size 4.6 × 2.4 is not defined in DIN.

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