High-precision countersink with unequal spacing and 3 drive flats 90°, TiAlN, External ⌀ Dc: 8,3mm

Article no.: 150132 8,3
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External ⌀ Dc (mm) Unit price incl. VAT
  • Countersink tip angle: 90
  • Tool material: HSS
  • Spacing of the countersink cutting edges: unequal spacing
  • Number of cutting edges Z: 3
  • Standard: DIN 335 C

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Product details

Technical Data

External ⌀ 8.3 mm
Coating TiAlN
Countersink tip angle 90 degrees
Tool material HSS
Spacing of the countersink cutting edges unequal spacing
Number of cutting edges Z 3
Standard DIN 335 C
Shank Shank with h9 and three drive flats
Through-coolant no
smallest countersink ⌀ for holes from 2 mm
Overall length L 50 mm
Shank ⌀ Ds 6 mm
for countersunk screws DIN 7991 M4
Feed f in steel < 500 N/mm2 0.1 mm/rev.
Shank tolerance h9
Colour ring green
Type of product Stepped drill and countersink

Identification numbers & Classifications

Article number 150132 8,3
EAN / GTIN 4045197741936
Manufacturer number 150132 8,3

Application Table

Alu plastics
N
75
Aluminium (short chipping)
N
75
Alu > 10% Si
N
50
Steel < 500 N/mm²
P
65
Steel < 750 N/mm²
P
50
Steel < 900 N/mm²
P
30
Steel < 1100 N/mm²
P
18
Steel < 1400 N/mm²
P
8
Steel < 55 HRC
H
8
INOX < 900 N/mm²
M
16
INOX > 900 N/mm²
M
10
Ti > 850 N/mm²
S
12
GG(G)
K
25
CuZn
N
60
Graphite, GRP, CRP
N
Uni
 
wet maximum
 
dry
 

Description

Version:

All countersinks have 3 cutting edges. Special geometry with extremely unequal spacing and matching cutting edge preparation. Radially relief ground. Flutes ground from solid. Newly developed special TiAlN coating for long service life.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Three drive flats on the shank for use in a 3-jaw chuck.

Advantage:

Very smooth cutting throughout the entire countersinking operation. Chatter-free running for perfect results and optimum tool service life.

Application:

High-precision countersinks for production of exactly round 90° countersunk surfaces.

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High-precision countersink with unequal spacing and 3 drive flats 90°, TiAlN, External ⌀ D<sub>c</sub>: 8,3mm

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External ⌀ 8.3 mm 8.3 mm 8.3 mm 8.3 mm 8.3 mm 8.3 mm 8.3 mm 8.3 mm 8.3 mm
Coating TiAlN uncoated TiAlN uncoated TiN uncoated TiAlN TiAlN TiAlN
Colour ring green without green without green without green green green
Overall length L 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm 50 mm
Shank Shank with h9 and three drive flats Plain shank with h9 Plain shank with h9 Plain shank with h9 Plain shank with h9 Shank with h9 and three drive flats Plain shank with h9 Three clamping flats to h9 Plain shank with h9
Shank tolerance h9 h9 h9 h9 h9 h9 h9 h9 h9
Feed f in steel < 500 N/mm2 0.1 mm/rev. 0.09 mm/rev. 0.09 mm/rev. 0.09 mm/rev. 0.09 mm/rev. 0.09 mm/rev. 0.1 mm/rev. 0.09 mm/rev. 0.09 mm/rev.

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