产品描述：
Insert Grade Description
GC2030
M25/S25 (M15-M35, S15-S30) Coated carbide grade for light to heavy milling (both wet and dry) in unalloyed and low alloyed steels with hardness up to HB 300 at medium to high speeds.
GC4230
P25 (P10 - P40, M10 - M25, K25 -K35) Coated carbide grade for light to heavy milling (both wet and dry) in unalloyed and low alloyed steels with hardness up to HB 300 at medium to high speeds.
GC3040
K30 (K20-K40 P10 - P30) Coated carbide grade for toughness demanding milling of cast iron e.g. nodular cast iron, wet conditions or high tensile iron. Long predictable tool life at low to medium cutting speeds.
Inserts for CoroMill 200 - Round Insert Face Mills
Suitable for External Toolholders.