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CCGT insert
ccgt insert

CCGT insert

CCGT insert angle:7° positive rake insert with a single-sided chip breaker;

80° rhombic turning insert;

Recommended for aluminum, fiberglass, plastic, teflon, brass;

Breaker application: Semi-finishing and finishing;

Matching CCGT insert tool holder: SCLCR/L and SCACR/L;

Material: Tungsten Carbide

Grade: Both PVD and CVD

CCGT insert tool holder

ccgt insert tool holder SCACRL
ccgt insert tool holder SClCRL

CCGT insert Introduction:

  • C: Shape. The first “C” signifies a rhombic (diamond) shape with an 80-degree included angle.
  • C: Clearance Angle. The second “C” indicates a 7-degree positive clearance angle.
  • G: Tolerance. “G” denotes a medium tolerance range, though other precision tolerances may exist.
  • T: Chipbreaker Style & Hole Configuration. This letter designates both the chip forming geometry and whether the insert has a central hole. Chipbreaker variations are numerous and manufacturer-specific.
  • Numerical Digits:
    • First Two Digits: Inscribed circle (IC) diameter in millimeters. Divide this by 25.4 to get the approximate inch equivalent.
    • Next Two Digits: Thickness in millimeters. Divide by 25.4 for the inch conversion.
    • Last Two Digits: Nose radius in millimeters. Also divide by 25.4 for an inch approximation.

CCGT Carbide Inserts

Virtually all CCGT inserts are made from carbide-based materials. Here’s what you need to know:

  • Substrate: The core carbide material determines the insert’s fundamental properties like toughness and wear resistance. Different compositions offer suitable balances for various applications.
  • Coating: Thin layers of advanced materials like TiN, TiAlN, CVD, or PVD are applied to the carbide substrate. These coatings enhance wear resistance, reduce friction, and improve performance in specific materials.

The Importance of Grade

Choosing the right carbide grade (substrate + coating) is crucial. This is matched to the workpiece material you’re cutting:

  • Steels
  • Stainless Steels
  • Cast Iron
  • Non-ferrous metals (like aluminum)
  • Hardened Materials

Let me know if you want to dive deeper into the following:

  • Common chipbreaker styles and their applications
  • How to choose the right CCGT insert grade for your material


CCGT Insert Dimensions (ISO)

ISO DesignationInscribed Circle (IC)ThicknessCorner Radius
CCGT 0602016.35mm (0.25")1.58mm (0.062")0.1mm (0.004")
CCGT 0602026.35mm (0.25")1.58mm (0.062")0.2mm (0.008")
CCGT 0602046.35mm (0.25")1.58mm (0.062")0.4mm (0.016")
CCGT 0602086.35mm (0.25")1.58mm (0.062")0.8mm (0.031")
CCGT 09T3089.52mm (0.375")3.18mm (0.125")0.8mm (0.031")

Example: CCGT insert 060204

Rhombic shape with an 80-degree included angle

7-degree positive clearance angle

Medium Tolerance

Manufacturer-specific chipbreaker and hole configuration

6.35mm inscribed circle diameter (approx. 0.25″ in inches)

2mm thick (approx. 0.079″ in inches)

0.4mm nose radius (approx. 0.016″ in inches)

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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