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CCMT insert
ccgt insert

CCMT insert

CCMT insert angle:7° Positive rake insert with a single-sided chipbreaker;

80° rhombic turning insert;

CCMT insert specifications: CCMT060204/CCMT09T304/CCMT09T308/CCMT090308/CCMT1204;

Recommended for steel, stainless steel, cast iron, heat resistant alloy;

Breaker Application: Semi-finishing, finishing, general purpose and rough turning;

Matching CCMT insert turning tool holder: SCACR/L, SCLCR/L, SCFCR, SCLCR;

Material : Tungsten carbide

Grade: Both PVD and CVD;

CCMT insert tool holder

ccgt insert tool holder SCACRL
ccgt insert tool holder SClCRL

CCMT insert Introduction:

  • CCMT Inserts: The Essentials

    • Shape: Rhombic (diamond) with an 80-degree included angle.
    • Clearance Angle: 7 degrees (positive)
    • Cutting Edges: Double-sided, offering two cutting edges per insert for cost-effectiveness.
    • Chipbreaker Geometries: Diverse range of chipbreaker styles from various manufacturers are available. These are tailored to specific materials and machining operations (roughing, finishing, etc.)
    • Key Uses: Ideal for turning, facing, and profiling operations on a range of materials.

    Common Materials CCMT Inserts are Used For

    • Steels: Various steel grades, including carbon and alloy steels.
    • Stainless Steels: CCMT inserts can machine different stainless steel types.
    • Cast Iron: Suitable for many cast iron applications.
    • Some High-Temperature Alloys: Depending on the specific alloy and grade.

    Advantages of CCMT Inserts

    • Cost-Effective: Due to their double-sided design and wide availability.
    • Versatile: The range of grades and chipbreakers make them suitable for many machining applications.
    • Good Chip Control: Well-designed chipbreakers ensure effective chip flow and protect the workpiece, tool, and machine.
    • Positive Rake Angle: This promotes efficient cutting and reduces cutting forces in many materials.

    Important Considerations

    • Match the Grade to Your Material: Choosing the right insert coating and substrate composition is crucial for optimal tool life and performance in the specific material you’re cutting.
    • Select the Right Chipbreaker: The chipbreaker geometry significantly influences how chips are formed and broken. It should be chosen based on the material and type of machining operation.
    • Machine Rigidity: Ensure your machine has enough rigidity and power to handle the cutting forces CCMT inserts can generate,

CCMT Insert Dimensions (ISO)


Example: CCMT 09T308


    • 09: Inscribed Circle (IC) of 9.52mm (approx. 0.375 inches)
    • T3: Thickness of 3.18mm (approx. 0.125 inches)
    • 08: Corner radius of 0.8mm (approx. 0.031 inches)

Key Dimensions

  1. Inscribed Circle (IC): The diameter of the largest circle that fits within the insert. Common IC sizes include:

    • 6.35mm (0.25″)
    • 9.52mm (0.375″)
    • 12.7mm (0.5″)
  2. Thickness: Impacts insert strength and the number of usable cutting edges. Common thicknesses include:

    • 1.58mm (0.062″)
    • 3.18mm (0.125″)
    • 4.76mm (0.187″)
  3. Corner Radius: Affects surface finish and strength at the cutting edge. Common sizes include:

    • 0.2mm (0.008″)
    • 0.4mm (0.016″)
    • 0.8mm (0.031″)

The Science Behind Carbide Inserts: How They're Made and Why They're So Strong

Carbide inserts are some of the most versatile and durable cutting tools available. But how are they made? And what makes them so strong? In this video, we’ll explore the science behind carbide inserts, from the properties of tungsten carbide to the manufacturing process.

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