Sandvik R390-17 04 08M-KL 3330 CoroMill 390 Carbide Milling Insert (10pc)

The Sandvik Coromant R390-17 04 08M-KL 3330 is a new, factory-fresh indexable carbide milling insert designed for the CoroMill 390 square shoulder milling system. The full ordering code R390-17 04 08M-KL 3330 decodes as follows: R390 = CoroMill 390 insert family, 17 = 17 mm inscribed circle (IC), 04 = 4.0 mm insert thickness, 08M = 0.8 mm nose radius with medium chipbreaker geometry, KL = positive rake KL chipbreaker for light-to-medium cutting in cast iron and non-ferrous materials, and 3330 = PVD TiAlN-based CVD/PVD coating grade optimized for cast iron (ISO K workpiece material) at up to 245 HB. The package label confirms CoroMill 390 application, ISO K2.2 material group, recommended feed per tooth fz of 0.08 mm (0.003 in), cutting speed Vc of 265 m/min (880 sfm), and the dark blue/gold dual-tone PVD coating is clearly visible on the insert face. Each box contains 10 inserts made in Sweden (Batch 9GH0971434, MtrlID 6428057) and fits all standard R390 square shoulder milling toolholders requiring the 17 mm IC size.

Product Specifications