Article no.: 150132

High-precision countersink with unequal spacing and 3 drive flats 90° TiAlN

Brand: GARANT

All product information:

High-precision countersink with unequal spacing and 3 drive flats 90...

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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.

Technical Data

Coating
TiAlN
Countersink tip angle
90 degrees
Tool material
HSS
Spacing of the countersink cutting edges
unequal spacing
Standard
DIN 335 C
Shank
Shank with h9 and three drive flats
Through-coolant
no
Colour ring
green
Type of product
Stepped drill and countersink

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
 
Uni
 
wet maximum
 
dry
 

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