R390-11T308 Carbide R390 Insert 90° Shoulder Milling Inserts for Steel and Stainless Steel

R390-11T308 Milling Insert

The R390-11T308 carbide insert offers reliable performance for demanding milling operations. First, the optimized cutting geometry reduces cutting resistance and improves chip evacuation. Moreover, the sharp edge design helps operators achieve smoother cutting action and better surface finishes. As a result, the insert supports higher productivity while maintaining dimensional accuracy.

Furthermore, this R390 insert uses high-quality carbide substrate technology to provide excellent wear resistance and thermal stability. In addition, the durable coating protects the cutting edge during continuous machining. Therefore, the R390-11T308M insert performs consistently in carbon steel, alloy steel, stainless steel, and cast iron applications. Meanwhile, the insert minimizes vibration and improves machining stability, which helps extend tool life and reduce production costs.

Additionally, these 90° shoulder milling inserts fit a variety of CNC milling cutters and machining centers. Whether users perform rough milling, semi-finishing, or finishing operations, the R390-11 T3 08M PM insert delivers dependable results. Consequently, manufacturers in automotive, mold making, machinery production, and general metalworking industries choose these indexable milling inserts to increase machining efficiency. Moreover, the insert design supports precise shoulder milling, efficient material removal, and stable cutting performance across a wide range of production environments.

Specification of  R390 Carbide Milling Inserts