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  • CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.
  • CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.
  • CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.
  • CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.
  • CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.
  • CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.
CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.

CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.

  • 100 - 499 Pieces
    $12.90
  • 500 - 999 Pieces
    $12.10
  • >= 1000 Pieces
    $11.29

Customization:

Laser Printing（Min.Order: 100 pieces）
Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 1000 pieces）
View product details

CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Machining: Designed for high-performance turning of hardened steel and cast iron, leveraging CBN (Cubic Boron Nitride) coating for exceptional hardness and thermal stability.
  • Durability & Efficiency: Carbide substrate combined with PVD (Physical Vapor Deposition) or CBN coatings ensures prolonged edge retention, reduced tool wear, and consistent performance in demanding cutting operations.

Key features

  • 1. Material Technology

    • With CBN (Cubic Boron Nitride) coating on a carbide substrate, achieve extreme hardness and thermal stability surpassing standard carbide tools*. This allows efficient machining of hardened steel and cast iron without premature wear.

  • 2. Interactive Design

    • With geometrically optimized shapes (e.g., triangular, square), adapt to diverse machining needs like roughing and finishing operations, enhancing tool versatility*. The sharp, precision-ground edges ensure consistent cutting performance across applications.

  • 3. Performance Parameters

    • With high-speed cutting capabilities, maintain precision at elevated feed rates, outperforming conventional inserts in productivity*. The CBN coating reduces heat buildup, enabling longer tool life in continuous operations.

  • 4. Scenario Solutions

    • Designed for heavy-duty industrial applications, these inserts excel in machining hardened steels and cast irons commonly found in automotive and aerospace manufacturing. Their robust construction ensures reliability in demanding environments.

  • 5. Certification Standards

    • The PVD (Physical Vapor Deposition) coating adheres to eco-friendly manufacturing standards, reducing environmental impact compared to traditional coating methods*. The carbide substrate meets ISO-certified material specifications for industrial cutting tools.

Product details

CBN Cubic Boron Nitride Inserts Turning Inserts for Machining Hardened Steel and Cast Iron Carbide Cutting Tools.

CBN Cubic Boron Nitride Turning Inserts are engineered for precision machining of hardened steel and cast iron. Built with tungsten carbide substrates and advanced CBN/PVD coatings, these inserts deliver exceptional durability, thermal stability, and edge retention for high-speed, high-load applications.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionTungsten Carbide substrate with CBN/PVD coatingsMachining hardened steel (50-65 HRC) and cast iron
Coating TechnologyCBN (Cubic Boron Nitride) + PVD (Physical Vapor Deposition)Enhances wear resistance and thermal stability in abrasive materials
Geometric ShapeTriangular, Square, and Irregular PolygonTriangular for general turning; Square for milling and heavy-duty operations
Thermal ConductivityHigh thermal conductivity of carbide substrateReduces heat buildup during high-speed cutting
Edge GeometrySharpened edges with chamfered cornersMinimizes stress concentration and improves tool life

Customization guide

Adjustable parameters:

  • Coating Type: Opt for CBN for extreme hardness or PVD for enhanced surface finish.
  • Shape/Size: Customize geometry to match specific tool holders and machining requirements.
  • Material Grade: Select carbide substrates based on workpiece hardness and cutting conditions.

Get inspired

These inserts are ideal for manufacturers needing precision in tough materials. Whether you’re machining automotive components, aerospace parts, or industrial castings, the CBN coating ensures long tool life and consistent performance under extreme conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
CBN Coating Thickness8 µm+15% (9.2 µm)+30% (10.4 µm)*
Thermal ResistanceStandardImprovedSuperior
Tool Life100 min+20% (120 min)+40% (140 min)

Supplier's note

  1. Technical Breakthroughs:

    • CBN Coating: Triple the hardness of traditional carbide, enabling cutting at 50% higher speeds.
    • PVD Surface Treatment: Reduces friction by 25%, improving surface finish on cast iron.
    • Chamfered Edges: Extend tool life by 30% in interrupted cuts (e.g., machining nodular cast iron).

  2. Version Selection Guide:

    • Base Model: Ideal for general workshops machining low-to-medium hardness steel (≤50 HRC).
    • Advanced Model: Recommended for medium-duty applications requiring 20% faster cutting speeds (e.g., automotive crankshafts).
    • Pro Model: Best for high-volume production of hardened steel (60+ HRC) or abrasive cast iron. Its 10.4 µm CBN coating and superior thermal resistance ensure 40% longer tool life compared to industry benchmarks.

*Pro Model’s coating thickness exceeds ISO 23617 standards by 20%.

Frequently asked questions

  • Which CBN insert model is best for machining hardened steel in heavy-duty applications?

  • CBN vs. PVD Coatings: Which is better for machining cast iron?

  • How to clean and store CBN inserts to maintain edge sharpness?

  • Can CBN inserts be customized for specific steel grades?

  • Is the carbide substrate of these inserts heat-resistant for high-speed machining?

  • Are these inserts suitable for continuous machining of cast iron without frequent replacement?

  • Which CBN insert type works best for both steel and cast iron in a multi-tasking workshop?

  • Do these inserts meet ISO standards for precision machining of hardened materials?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
CBN InsertsMachining hardened steel (58–65 HRC), cast ironCBN coating (3200 HV1) with thermal stability up to 1400°C2▲▲ Superior for hard materials; longer tool life (3x vs carbide)3High cost (▲▲), brittle (fracture toughness 3 MPa·m1/2), unsuitable for aluminum
Carbide (Standard)General machining of steel, aluminum, cast ironCarbide substrate (1400 HV4, ISO K10) with basic TiN coating5Cost-effective, versatile for various materialsLimited to materials <45 HRC; shorter life on hardened steels
PCD InsertsNon-ferrous metals (aluminum, brass), compositesPCD tip (7000 HV6) brazed to carbide substrate▲▲ Exceptional for non-ferrous; high-speed machining (▲▲)Expensive (▲▲), brittle (fracture toughness 2 MPa·m1/2), incompatible with ferrous
Coated Carbide (PVD)Medium-hard steels (≤50 HRC), titanium alloysPVD TiAlN coating (2.5 μm7) on 2300 HV substrate8Improved wear resistance (▲ vs uncoated), better thermal stabilityLess effective on extreme hardness; coating may delaminate under high impact
Ceramic InsertsHigh-speed machining of cast iron, non-ferrousAl2O3 ceramic (2000 HV9), no coating▲▲ Extremely high-speed capability (▲▲), low friction (reduces heat)10Brittle (fracture toughness 1 MPa·m1/2), requires precise coolant, fragile
HSS InsertsLow to medium-duty machining, prototypingHSS substrate (800 HV11) with optional TiN coating12Affordable, easy to sharpen/modifyShort tool life, limited to lower speeds (<200 m/min), poor heat resistance

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