First Choice — Alloyed Steel

Negative Inserts – Alloyed Steel Metric

ap (mm) 1,2 - 5,5 ap (mm) 0,75 - 3,0 ap (mm) 0,5 - 2,0 fn (mm/rev) 0,25 - 0,5 fn (mm/rev) 0,15 - 0,45 fn (mm/rev) 0,1 - 0,3 NL920 NL400

Vc (m/min)4TVc (m/min)
20 - 5530 - 130
NL920NL300
Vc (m/min) 2NVc (m/min)NL300
20 - 5535 -140Vc (m/min)
NL250NL25060 - 230
Vc (m/min)Vc (m/min)NL250
25 - 951B35 - 145Vc (m/min)

60 - 240 * ROUGHING

SP0819 Vc (m/min) 80 - 270 MEDIUM FINISHING

0,0

Feed f (mm/rev)

n

*Note: For Heavy Roughing applications see 5R geometry, page C17.

Positive Inserts – Alloyed Steel Metric

ap (mm) 0,4 - 5,0

ap (mm) 0,25 - 3,0 fn (mm/rev) 0,07 - 0,5 fn (mm/rev) 0,025 - 0,25 NL920 NL300

Vc (m/min)73Vc (m/min)
20 - 5535 - 140
SP4019SP4019SP4019
Vc (m/min)Vc (m/min)Vc (m/min)
30 - 1106250 - 16080 - 265

SP4019 Vc (m/min) MEDIUM- 80 - 265 ROUGHING

FINISHING

0,0

Feed f (mm/rev)

n

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).

Key Interrupted Varying depth Good

cut of cut condition