
Precision Metal Shaft for High-Performance Motorcycle and Automotive Parts. High Precision Tolerance: Journal dimensional accuracy reaches IT6-IT9 with relative position accuracy of 0.001-0.005mm. Comprehensive Certifications: Certified by CE, EPA, GS, ISO9001, and RoHS for global compliance and safety. High Corrosion Resistance: Engineered with high strength 4140 Alloy Steel for durability in harsh environments. Free DFM Engineering Support: Expert engineers provide free Design for Manufacturability feedback to optimize cost and yield. Transparent Quality Control: Proactive provision of inspection reports with supporting equipment photos and video records. Rapid Delivery Timeline: Reliable delivery dates provided within 4 hours of receiving drawings based on actual capacity. Full Customization Options: Flexible customization available from samples, designs, or full custom requirements.