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.

Products

  • 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.

  • 12D Coolant Through Carbide Twist Drill for Hardened Steel & Superalloys

    12D Coolant Through Carbide Twist Drill for Hardened Steel & Superalloys

    OPT Internal Coolant Carbide Drill is engineered for high‑precision CNC & manual machining. Built with ultra‑durable solid carbide, integrated internal coolant channels, optimized flute & point geometry, this drill delivers superior heat dissipation, fast chip evacuation, stable hole quality, and extended tool life. It is the cost‑effective solution for mass production and heavy‑duty machining of steel, stainless steel, cast iron, superalloys, and titanium alloys.

  • 15D Solid Carbide Coolant Through Drill for Deep Hole Machining of Hard Metals

    15D Solid Carbide Coolant Through Drill for Deep Hole Machining of Hard Metals

    OPT Coolant Through Drill with internal coolant channels, solid carbide, extended tool life, high precision & fast chip evacuation. For CNC, aerospace, automotive, mold & die. Custom coating available.

  • Stable Performance Solid CBN CCGW Square Insert with Wear Resistance for CNC Lathe Machining

    Stable Performance Solid CBN CCGW Square Insert with Wear Resistance for CNC Lathe Machining

    CCGW CBN inserts feature 80° diamond geometry, high hardness & thermal stability. Ideal for hardened steel, cast iron, die/mold machining. Extended tool life, high-speed machining, superior finish. Factory direct, customizable.

  • 3D Tungsten Steel Internal Cooling Drill Bit – High Performance CNC Drilling Tool

    3D Tungsten Steel Internal Cooling Drill Bit – High Performance CNC Drilling Tool

    Our tungsten steel internal cooling drill bits are precision-engineered from premium solid carbide, delivering exceptional hardness, wear resistance, and stability for heavy‑duty drilling applications. Designed for CNC and automated machining centers, these drills combine advanced internal coolant channels, optimized geometries, and high‑performance coatings to maximize efficiency and tool life.

  • 8D Coolant Through Solid Carbide Drill High Precision Long Life Drill Bit for CNC Metalworking

    8D Coolant Through Solid Carbide Drill High Precision Long Life Drill Bit for CNC Metalworking

    Coolant Through Carbide Drill is built with ultra-fine grain carbide (K10/K20/K30) and optimized 118°/135° point geometry, equipped with 2-4 internal coolant channels for direct lubrication at the cutting edge. With optional TiN/TiCN/AlTiN coating, it delivers high precision, extended tool life, superior chip evacuation, and stable performance in high-speed CNC drilling for steel, stainless steel, cast iron, superalloy, aluminum alloy, and other materials. The diameter ranges from φ3mm to φ20mm, fully meeting the needs of small-batch customization and mass production.