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First Choice — Stainless Steel 300-400


Negative Inserts – Stainless Steel Metric
Introduction


ap (mm)
2,5 -5,0
ap (mm)
1,25 - 3,0
ap (mm)
0,25 - 2,5
fn (mm/rev)
0,35 -0,55
D.O.C. ap (mm)


fn (mm/rev)
0,12 - 0,40
fn (mm/rev)
0,15 - 0,4
NL920 NL400
Vc (m/min) Vc (m/min)
30 - 60 4T 55 - 150
NL920 SP4019
Vc (m/min) 2N Vc (m/min) NL250
30 - 60 80 - 180 Vc (m/min)
SP0819 3J
2N 3J 105 - 275
Vc (m/min) SP4019
1B 90 - 185 Vc (m/min)
135 - 300
SP0819
Vc (m/min)
150 -305
3J
* ROUGHING
MEDIUM
FINISHING
0,0 Feed fn (mm/rev)
*Note: For Heavy Roughing applications see 5R geometry, page C17.


Positive Inserts – Stainless Steel Metric

ap (mm)
0,4 - 5,0

ap (mm)
0,75 - 3,0
fn (mm/rev)
0,07 - 0,5
D.O.C. ap (mm)


fn (mm/rev)
0,025 - 0,25

NL920 SP4019
Vc (m/min)
30 - 60 73 Vc80(m/min)
- 180
SP4019 SP4019 SP4019
Vc (m/min) Vc (m/min) Vc (m/min)
135 - 300
55 - 120 62 80 - 180
SP4019
Vc (m/min) MEDIUM-
135 - 300
ROUGHING
FINISHING
0,0
Feed fn (mm/rev)
Please note the above recommended cutting speeds, geometries and grades are for guidance only.
For more detailed information, see pages C12 - C23 (geometry technical information & grade technical information).

Interrupted Varying depth Good
Key cut of cut condition


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