High Precision Heavy Duty Pin Shaft
Hinge Pin Connection Pin - Hardened Chrome Plated Wear Resistant Engineering Machinery Parts
Pin shafts are key components used for connection, fixation, and load transmission in mechanical equipment. Manufactured from high-quality alloy steel, carbon steel, or stainless steel through precision turning, grinding, heat treatment, and surface treatment, these pins offer exceptional dimensional accuracy, mechanical strength, and wear resistance.
Product Attributes
| Attribute |
Value |
| Thread Type |
Metric, UNC, UNF, BSW, Etc. |
| Sample Production Time |
Usually 5~10 Work Days |
| Surface Finish |
Polishing, Painting, Anodizing, etc. |
| Type |
Precision CNC turning parts |
| Heat Resistance |
High Heat Resistance |
| Material Capabilities |
Aluminum, Stainless Steel |
| Surface Treatment |
Anodizing, Polishing, Plating, Coating, etc. |
| Quality Control |
100% Full Inspection |
| Certification |
ISO9001 Manufacturer |
Key Features
- High Strength and Hardness: Made of high-quality alloy steel with heat treatment, surface hardness up to HRC50-60 while maintaining core toughness
- Precision Dimensions: Precision grinding processing with diameter tolerance controlled within ±0.01mm and excellent straightness
- Superior Wear Resistance: Surface treatments like hard chrome plating improve wear resistance by 3-5 times
- Corrosion Resistance: Stainless steel material or surface treatments suitable for harsh environments
- Diversified Design: Available in various structural configurations including split pin holes, threaded ends, and shoulder designs
Technical Parameters
| Parameter Category |
Detailed Specifications |
| Material Selection |
45# Steel, 40Cr, 42CrMo, Stainless Steel 304/316, GCr15 Bearing Steel |
| Diameter Range |
3mm-200mm (custom sizes available) |
| Length Range |
20mm-1000mm (longer sizes customizable) |
| Diameter Tolerance |
h6, h7, h8, h9 or custom specifications |
| Straightness Tolerance |
≤0.05mm/m |
| Surface Hardness |
HRC50-60 (quenching treatment) |
| Core Hardness |
HRC25-35 (maintaining toughness) |
| Surface Roughness |
Ra0.4-1.6 (customizable) |
| Surface Treatment |
Hard chrome plating (5-50μm), zinc plating, blackening, phosphating, Dacromet |
| Tensile Strength |
800-1200MPa (material dependent) |
Applications
- Engineering Machinery: Hinge connections for excavators, loaders, cranes
- Automotive Industry: Chassis connections, steering systems, gearboxes
- Heavy Machinery: Metallurgical equipment, mining machinery, port machinery
- Aerospace: Aircraft control systems, landing gear components
- Industrial Equipment: Injection molding machines, die-casting machines, hydraulic machinery
- Agricultural Machinery: Tractors, harvesters and other implements
Customization Options
- Size Customization: Non-standard diameters, lengths, and special tolerances
- Material Selection: Optimized for strength, hardness, and corrosion resistance
- Heat Treatment: Custom quenching depth, surface hardness, and core toughness
- Surface Treatment: Coating type and thickness tailored to requirements
- Structural Design: Special configurations including cotter pins, threaded pins, shoulder pins
- Special Requirements: High temperature resistance, corrosion resistance, fatigue resistance
Support and Services
- Technical Consultation: Engineering support for selection and installation
- Quality Assurance: ISO9001 quality system with full process monitoring
- Test Reports: Material certificates, hardness tests, dimensional inspections
- Fast Delivery: 3-7 days for standard products, 10-15 days for custom orders
- After-sales Support: Usage guidance and quality issue resolution