10x Sandvik Coromant R290.90-12T320M-PM Insert Grade 4240
CoroMill R290 Milling Inserts
Inserts For CoroMill 390
Insert Grade 4240
P40 (P35-P50) Complementary M40(M30-M40)K40 (K30 - K40), Coated carbide grade for toughness demanding operation in steel milling. For CM390
concept it should be used in more stable conditions such as short overhang, face milling, shallow shoulder milling etc. Works well with or without coolant