JoyJet Precision Limited
JoyJet Precision Limited

The Features of PCBN/CBN Blank

  • High hardness & wear resistance (3000–5000 HV) – Ideal for machining hardened materials with HRC 45+

  • Excellent thermal stability (withstands temperatures over 1200°C)

  • High-precision machining capability: Enables mirror-like surface finish (Ra < 0.4 μm)

  • Versatile product range: Available in various sizes and thicknesses to meet diverse application needs


PCBN with Carbide Substrate

Order no.Outer diameter (mm)Usable Diameter (mm)PCBN Layer Thickness (mm)Total Thickness (±0.05 mm)CBN Content (%)Grain Size (μm)Application
SJC9571700.6-0.91.6-3.295%4High wear-resistant machining – Especially suitable for finishing applications in powder metallurgy and cast iron, as well as heavy interrupted cutting of hardened steel.
SJC95S71700.6-0.995%0.8Ultra-precision finishing – Ideal for powder metallurgy and hard cast iron materials.
SJC8071700.6-0.983%2Versatile performance – Applied to ferrous powder metallurgy, hard cast iron, and gray cast iron, along with medium-to-heavy interrupted cutting of hardened steel.
SJC6571700.6-0.965%4Interrupted turning – Suitable for micro-to-medium interrupted turning of hardened steel and ductile cast iron.
SJC6071700.6-0.960%2Stable turning – Designed for continuous-to-micro interrupted turning of hardened steel.
SJC5071700.6-0.950%1Continuous cutting – Optimized for stable, continuous machining of hardened steel.


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