High Strength Precision Silicon Nitride Ceramic Pin Rod Bar Heat Resistant OEM Factory. Extreme Hardness and Strength: Hardness HRA90, Vickers Hardness >1550, and Compressive Strength 2500 MPa. Customizable Dimensions: Length and weight are fully customizable to meet specific application needs. OEM and ODM Services: Full OEM and ODM support available for custom ceramic parts and designs. Low Density Material: Density above 3.2 g/cm3, offering lightweight yet robust performance. Fast Delivery Time: Lead time of 10 days for stock items, 15-30 days for customized orders. Free Sample Availability: Free samples provided, though freight costs must be covered by the buyer. No MOQ Limit: Minimum order quantity is not limited, small quantities are welcome.