CBN Turning Tool Inserts | Internal machining of hard materials (steel, cast iron) | CBN Coating (ISO 513 M Class) ▲ Thermal Stability: 1200°C (ASTM E1026) Surface Finish: Ra ≤ 0.8 µm (ISO 1302) | ▲ 2800 HV hardness (outperforms carbide’s 1500 HV) Withstands extreme heat ▲ Precision finish (smoother than glass) | Higher cost ▲ Requires CNC machines ▲ Sensitive to improper cooling ▲ |
Carbide Inserts | General machining of softer metals | Carbide Coating (ISO 513 P Class) Thermal Stability: 800°C (ASTM E1026) Surface Finish: Ra ≤ 1.6 µm (ISO 1302) | Lower cost ▲ Versatile for mild steel, aluminum ▲ Easy to sharpen | Low hardness ▲ Limited to moderate temperatures ▲ Shorter tool life ▲ |
Diamond Inserts | Ultra-precision non-ferrous machining (aluminum, copper) | Diamond Coating (ISO 513 N Class) ▲ Thermal Stability: 700°C Surface Finish: Ra ≤ 0.2 µm (ISO 1302) | ▲ 3000 HV hardness (finest finish) Minimal tool wear ▲ | Brittle ▲ Not for ferrous metals ▲ High cost ▲ |
Ceramic Inserts | High-speed non-ferrous machining | Ceramic Material (ISO 513 K Class) ▲ Thermal Stability: 1400°C Surface Finish: Ra ≤ 1.2 µm (ISO 1302) | ▲ Highest thermal stability (outperforms CBN) ▲ Long tool life ▲ | Fragile ▲ Brittle at low speeds ▲ Limited material compatibility ▲ |
PCD Inserts | Non-ferrous materials (e.g., aerospace alloys) | PCD Coating (ISO 513 N Class) ▲ Thermal Stability: 700°C Surface Finish: Ra ≤ 0.4 µm (ISO 1302) | ▲ Exceptional wear resistance (50+ exposures per ASTM D543) Minimal rework ▲ | Expensive ▲ Not compatible with ferrous metals ▲ Requires precise cooling ▲ |
HSS Inserts | Low-cost general machining (steel, plastics) | HSS Material (ISO 513 M2) ▲ Thermal Stability: 600°C Surface Finish: Ra ≤ 2.0 µm (ISO 1302) | Inexpensive ▲ Easy to sharpen ▲ Universal compatibility ▲ | Low hardness ▲ Short tool life ▲ Not for high-precision work ▲ |