
Overload-Resistant Custom Alloy Steel Gear Shaft for Construction Machinery. Custom Size Accepted: Customer size accepted for tailored gear shaft solutions. Surface Quenching Heat Treatment: Surface quenching applied for enhanced hardness and durability. High Precision Manufacturing: Gear cutting accuracy reaches DIN 7 grade, grinding up to DIN 5. Wide Material Selection: Customizable materials including 45#Steel, 20CrMnTiH, and 8620H. Comprehensive Inspection: Full inspection using three-coordinate measuring machines before shipment. 20 Years Experience: Two decades of R&D and manufacturing expertise in high-quality gears. Fast Delivery Time: Rapid delivery for both small quantities and sample orders. Global Export Experience: Served thousands of customers in over 20 countries with 80% export share.