Moresuperhard PCD micro milling cutter is designed for precision machining applications in advanced ceramics. Its PCD cutting head and micro cutting edge are suitable for machining ceramic surfaces, grooves, shoulders and 2D profiles.
The cutter can be evaluated for materials such as alumina, zirconia, silicon nitride and silicon carbide ceramics. Tool selection depends on the material grade, sintered condition, workpiece geometry, machining allowance and machine setup.

Ceramics vary in hardness, brittleness, toughness and machinability. The following materials can be considered when selecting a PCD micro milling cutter:
Alumina ceramic is used in wear-resistant, insulating and heat-resistant components. Potential machining applications include ceramic substrates, structural parts, fixtures, grooves and profiles. Select the cutter diameter and cutting length according to the feature size, machining allowance and workholding conditions.
Zirconia ceramic is used in precision structural components, wear parts and some medical-related ceramic components. For groove machining, edge finishing or local profile machining, consider the tool diameter, effective cutting length, toolpath and workpiece support, particularly around thin walls and narrow edges.
Silicon nitride ceramic is used in high-strength, heat-resistant and wear-resistant components. Tool selection for finish machining should take the material condition, feature geometry and machine setup into account. Trial machining is recommended to confirm the process.
Silicon carbide ceramic is used in wear-resistant, thermal management and semiconductor-related components. A PCD micro milling cutter may be evaluated for suitable precision milling applications. The workpiece geometry, feature size and machining allowance should be reviewed before selecting a tool.
Depending on the application, tool selection may also be evaluated for aluminum nitride ceramic, ceramic composites, glass, sapphire, graphite and cemented carbide. Material composition and manufacturing condition can affect machining results. Please provide the material grade when requesting a recommendation.

The micro cutting edge is suitable for finish machining features such as flat surfaces, grooves, shoulders and 2D profiles. Machining results depend on the material, cutting parameters, workholding and toolpath.
The PCD cutting head is intended for machining applications where wear resistance is important. Tool life depends on the workpiece material, machining parameters, setup rigidity and cooling conditions.
A range of cutter diameters is available to suit different feature widths and workpiece geometries. Consider the required cutting depth, effective cutting length and machine toolholding conditions when selecting a size.
The flat-end design can be used for face milling, slotting, shoulder milling and 2D profile finishing. For parts with radiused transitions or other specialized contours, confirm the required cutter geometry before ordering.
The Moresuperhard PCD micro milling cutter can be evaluated for:
Dimensions are in millimeters. Confirm available models, tolerances and supply details with Moresuperhard.
| Cutting Diameter d | Relief Diameter D1 | Effective Cutting Length L1 | Relief Length L2 | Overall Length L | Shank Diameter SD |
|---|---|---|---|---|---|
| 1.0 | 0.95 | 1.2 | 6.0 | 45 | 4.0 |
| 2.0 | 1.95 | 1.2 | 6.0 | 45 | 4.0 |
| 3.0 | 2.95 | 2.5 | 6.0 | 45 | 4.0 |
| 4.0 | 3.95 | 2.5 | 6.0 | 45 | 4.0 |
| 6.0 | 5.95 | 2.5 | 10.0 | 50 | 6.0 |
| 8.0 | 7.95 | 2.5 | 10.0 | 50 | 8.0 |
| 10.0 | 9.95 | 2.5 | 10.0 | 50 | 10.0 |
| 12.0 | — | 2.5 | — | 50 | 10.0 |
| 14.0 | — | 2.5 | — | 50 | 10.0 |
| 16.0 | — | 4.0 | — | 60 | 12.0 |
| 20.0 | — | 4.0 | — | 60 | 12.0 |
“—” indicates that the reference specification does not list a value.

To help identify a suitable tool, please provide:
The cutter can be evaluated for alumina ceramic face, groove, shoulder and profile machining. The suitable model and process depend on the material grade, condition, machining allowance and machine setup.
Zirconia ceramic can be considered for tool selection. Since machining behavior varies with composition and material condition, provide the workpiece drawing and machining requirements for evaluation.
Silicon nitride and silicon carbide can be evaluated as hard, brittle workpiece materials. Confirm the application based on the material condition, feature geometry and machine setup. Trial machining is recommended.
The flat-end design is intended for face milling, slotting, shoulder milling and 2D profile finishing. For radiused or complex contours, confirm the required cutter geometry before ordering.
Consider the feature width, profile size, machining depth, effective cutting length and machine toolholding conditions. A workpiece drawing can help identify suitable options.
Contact Moresuperhard for PCD micro milling cutter selection for ceramic and hard, brittle material machining. Send us your material grade, workpiece drawing and machining requirements to discuss suitable tool sizes and supply options.
Moresuperhard PCD micro milling cutters for precision machining applications in alumina, zirconia, silicon nitride, silicon carbide and other ceramics.