OPT insists on creating brands with its quality, when you buy OPT products, you are buying the reliable performance and tool life. For over years, OPT’s tools have been fully recognized by domestic and overseas customers.

CBN Tools

  • WNGA CBN Inserts	Hard Turning Tool for Hardened Steel & Cast Iron

    WNGA CBN Inserts Hard Turning Tool for Hardened Steel & Cast Iron

    In the machining of high-hardness materials such as hardened steel, cast iron and superalloys, traditional tools suffer from easy wear and low efficiency, while the grinding process is costly and time-consuming? WNGA CBN cubic boron nitride inserts, with ultra-high hardness and excellent wear & high-temperature resistance, perfectly replace the grinding process, achieving high-efficiency precision hard turning, greatly reducing processing costs and improving production efficiency.

  • CBN Inserts VNGA High Performance Cubic Boron Nitride Cutting Inserts for Hard Turning

    CBN Inserts VNGA High Performance Cubic Boron Nitride Cutting Inserts for Hard Turning

    CBN Inserts VNGA are high-grade cubic boron nitride cutting inserts engineered for precision machining of hardened steels, cast irons, and other difficult-to-machine materials. Featuring an optimized V-shape negative geometry, these inserts deliver stable performance, excellent chip control, and extended tool life in high-speed turning applications. Compatible with standard tool holders, they can be easily integrated into existing machining setups for seamless productivity.

  • CBN Inserts VCGW High Hardness Turning Inserts for Hardened Steel & Cast Iron

    CBN Inserts VCGW High Hardness Turning Inserts for Hardened Steel & Cast Iron

    CBN Inserts VCGW are high-precision cubic boron nitride cutting tools engineered for machining hardened steel, cast iron, and other high-hardness materials. Adopting premium CBN material and optimized VCGW geometry, these inserts deliver outstanding performance in grooving, turning, and finishing operations, providing reliable solutions for demanding machining scenarios.

  • CBN Inserts TNGA High Precision Cubic Boron Nitride Inserts for Hardened Steel & Cast Iron

    CBN Inserts TNGA High Precision Cubic Boron Nitride Inserts for Hardened Steel & Cast Iron

    Our TNGA CBN inserts are top-grade cubic boron nitride cutting tools engineered for high-precision, high-efficiency machining. With advanced Triple Negative Geometry Advanced (TNGA) design, they redefine hard turning and milling performance—saving you time and costs while delivering professional results.

  • TCGW CBN Inserts Premium Cubic Boron Nitride Turning Inserts for Hardened Steel & Cast Iron 45-68HRC

    TCGW CBN Inserts Premium Cubic Boron Nitride Turning Inserts for Hardened Steel & Cast Iron 45-68HRC

    TCGW CBN Inserts are premium cubic boron nitride superhard cutting inserts, specially designed for high-speed and precision turning of hardened steels (45-68 HRC) and cast irons. With trigon shape and 0° relief angle geometry, and a multilayer structure of CBN bonded to tungsten carbide substrate, these inserts deliver outstanding hardness, heat stability and wear resistance. They are widely used in automotive, aerospace, die & mold and other high-precision manufacturing fields.

  • SNGA CBN Inserts High Precision Turning Inserts for Hardened Steel & Cast Iron

    SNGA CBN Inserts High Precision Turning Inserts for Hardened Steel & Cast Iron

    SNGA CBN Inserts are premiumgrade cubic boron nitride cutting tools for highprecision machining of hardened steels, cast irons, and hightemperature superalloys. Optimized SNGA geometry delivers better chip control, lower cutting forces, longer tool life, and grindinglevel surface finish. Widely used in turning, semifinishing and finishing for automotive, aerospace and mold making.

  • DNGA CBN Inserts PCBN Turning Inserts for Hardened Steel & Cast Iron CNC Machining

    DNGA CBN Inserts PCBN Turning Inserts for Hardened Steel & Cast Iron CNC Machining

    DNGA CBN Inserts are premium indexable cutting tools made of highgrade Cubic Boron Nitride (CBN/PCBN), designed for highprecision CNC turning of ferrous metals above 45 HRC, such as hardened steel, tool steel and cast iron. With 80° diamond shape for excellent chip control, they deliver stable performance, superior surface finish and extended tool life in finishing to semiroughing applications.

  • DCGW CBN Inserts-Hard Turning Inserts for Hardened Steel & Cast Iron CNC Turning

    DCGW CBN Inserts-Hard Turning Inserts for Hardened Steel & Cast Iron CNC Turning

    DCGW CBN Inserts are premium cubic boron nitride cutting tools designed for high-speed turning and precision finishing of hardened steels, cast irons and high-hardness alloys. With optimized DCGW geometry, excellent thermal stability, wear resistance and standard 0.15mm edge passivation, they deliver extended tool life, stable cutting performance and superior surface quality. They are widely used in aerospace, automotive, medical, energy and other industries.

  • CNGA CBN Inserts – Premium Cubic Boron Nitride Cutting Inserts

    CNGA CBN Inserts – Premium Cubic Boron Nitride Cutting Inserts

    CNGA CBN Inserts are high-grade cubic boron nitride cutting tools engineered for high-precision machining of hardened steels (up to 65 HRC), cast irons, and superalloys. Featuring an 80° diamond-shaped CNGA geometry, they deliver exceptional performance in turning, grooving, and finishing operations, achieving grinding-level surface quality without the need for secondary grinding.

12 Next > >> Page 1 / 2