Shanghai Yidi Precision Machinery delivers world-class mechanical drive solutions. ISO9001-2000 certified with advanced heat treatment capabilities and modern machining centers, serving agriculture, automotive, mining, packaging, and printing industries worldwide.
Z2 Type Locking Assembly | Keyless Shaft-Hub Locking Device
EDi Z2 Type Locking Assembly – keyless shaft-hub locking device, made in Shanghai, China. Materials: 45#, 40Cr and stainless steel. Keyway-free, high torque, easy installation, adjustable axial positioning, 12.9 grade screws. Widely used in mining, metallurgical, construction, conveying, forging, CNC, packaging, printing, food and textile machinery. Import substitution available, in stock.
- Type: Z2
- Material: AISI 1045, 4140 Alloy Steel, AISI 303, AISI 304, AISI 316, 17-4PH optional
- Process: Quenching & Tempering, Heat Treatment
- Inch-size locking assemblies custom-made to drawings
Z5 Type Locking Assembly | Keyless Shaft-Hub Locking Device
EDi Z5 Type Locking Assembly – keyless shaft-hub locking device, made in Shanghai, China. Materials: 45#, 40Cr and stainless steel. Keyway-free, high torque, easy installation, adjustable axial positioning, 12.9 grade screws. Widely used in mining, metallurgical, construction, conveying, forging, CNC, packaging, printing, food and textile machinery. Import substitution available, in stock.
- Type: Z5
- Material: AISI 1045, 4140 Alloy Steel, AISI 303, AISI 304, AISI 316, 17-4PH optional
- Process: Quenching & Tempering, Heat Treatment
- Inch-size locking assemblies custom-made to drawings
Z12 Type Locking Assembly | Keyless Shaft-Hub Locking Device
EDi Z12 Type Locking Assembly – keyless shaft-hub locking device, made in Shanghai, China. Materials: 45#, 40Cr and stainless steel. Keyway-free, high torque, easy installation, adjustable axial positioning, 12.9 grade screws. Widely used in mining, metallurgical, construction, conveying, forging, CNC, packaging, printing, food and textile machinery. Import substitution available, in stock.
- Type: Z12
- Material: AISI 1045, 4140 Alloy Steel, AISI 303, AISI 304, AISI 316, 17-4PH optional
- Process: Quenching & Tempering, Heat Treatment
- Inch-size locking assemblies custom-made to drawings
🏭 Manufacturing Strength & Quality Assurance
Shanghai Yidi operates a modern 6,000+ m² facility with three workshops and a two-story R&D office. Equipped with centerless grinders, surface grinders, CNC lathes, milling machines, planers, punch presses, and heat treatment furnaces (including high-frequency induction). All products undergo strict inspection for dimensional accuracy and mechanical properties.
✅ Certified Quality
ISO9001-2000 certified. CAD/CAPP aided design and process planning ensures traceability and consistency.
🌍 Global Reach
Exported to North America, Southeast Asia, Africa, Middle East, Laos, Myanmar, Saudi Arabia, and 28 Chinese provinces.
⚡ Fast Response
Located in Shanghai Jinshan Industrial Zone (Yangtze River Delta hub). Standard stock available, custom parts lead time as short as 7 days.