Countersink, HB740, ⌀ D: 20,5mm

Article no.: 210410 20,5
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  • Tool material: Solid carbide
  • Number of cutting edges Z: 3
  • Countersink tip angle: 90
  • Standard: Manufacturer’s standard
  • Spacing of the countersink cutting edges: unequal spacing

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Product details

Technical Data

Series TopCut
Coating TiAlN
Counterbore ⌀ 20.5 mm
Grade HB740
Tool material Solid carbide
Number of cutting edges Z 3
Countersink tip angle 90
Cutter length 12.5 mm
Shank ⌀ 11.2 mm
Standard Manufacturer’s standard
Spacing of the countersink cutting edges unequal spacing
Through-coolant no
Arbor size 16 mm
for DIN cylinder head screws M10
smallest countersink ⌀ for holes from 3.5 mm
Head length l 28 mm
Feed f in steel < 900 N/mm2 0.1 mm
Shank GARANT TopCut
Type of product Cutter insert for countersinking

Identification numbers & Classifications

Article number 210410 20,5
EAN / GTIN 4045197804280
Manufacturer number 210410 20,5

Application Table

Alu plastics
N
80
Aluminium (short chipping)
N
80
Alu > 10% Si
N
60
Steel < 500 N/mm²
P
65
Steel < 750 N/mm²
P
60
Steel < 900 N/mm²
P
50
Steel < 1100 N/mm²
P
40
Steel < 1400 N/mm²
P
10
Steel < 55 HRC
H
12
INOX < 900 N/mm²
M
25
INOX > 900 N/mm²
M
20
Ti > 850 N/mm²
S
15
GG(G)
K
35
CuZn
N
70
wet maximum
 
wet minimum
 
Air
 

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