Precision countersink with unequal spacing 90° 16,5 mm

Article no.: 150130 16,5
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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 ⌀ 16.5 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 Plain shank with h9
Through-coolant no
smallest countersink ⌀ for holes from 3.2 mm
Overall length L 60 mm
Shank ⌀ Ds 10 mm
for countersunk screws DIN 7991 M8
Feed f in steel < 500 N/mm2 0.18 mm/rev.
Shank tolerance h9
Colour ring green
Type of product Stepped drill and countersink

Identification numbers & Classifications

Article number 150130 16,5
EAN / GTIN 4045197700728
Manufacturer number 150130 16,5

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.

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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Number of cutting edges Z 3 3 3 3
Coating TiAlN TiAlN TiAlN TiAlN
Overall length L 60 60 111 60
Through-coolant no no no no
Countersink tip angle 90 90 90 90
smallest countersink ⌀ for holes from 3.2 3.2 3.2 3.2
Type of product Stepped drill and countersink Stepped drill and countersink Stepped drill and countersink Stepped drill and countersink

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