Mitsubishi CNMG120408-MA UC5115 Cast Iron Turning Insert (10pcs) VBMT221 The 14W designation identifies this

The 14W designation identifies this as a 14 threads per inch Whitworth form

which is engineered for low cutting forces and excellent chip control at small depths of cut

The Tungaloy CCMT09T304-PS NS9530 is a premium uncoated cermet turning insert designed specifically for operators who prioritize a flawless surface finish and dimensional consistency

Carbide Insert Compatibility: Tailored exclusively to match high-performance TGF32R or TGF16 footprint indexable internal grooving

⭐⭐⭐⭐⭐ "Stable Tool Life" - Kenji T

Mitsubishi CNMG120408-MA UC5115 Cast Iron Turning Insert (10pcs) VBMT221 The 14W designation identifies thisCNMG120408 MA UC5115 The Cast Iron Specialist UC5115 CVD Hardness Abrasive Resistance Geometry Engineered for Abrasive Environments UC5115 Grade (Ultra Hard CVD Coating): The UC5115 is Mitsubishi's flagship grade for K Class (Cast Iron). Cast iron is notoriously abrasive, leading to rapid flank wear. The UC5115 substrate is paired with a specialized TiCN + Al2O3 coating that offers extreme hardness and thermal stability, ensuring the cutting edge