Precision CNC-Machined Hydraulic Piston Rods
Premium Performance for Demanding Hydraulic Applications
Our precision-engineered hydraulic piston rods deliver exceptional durability and leak-proof performance in the most challenging industrial environments. Manufactured from grade 4140 forged steel with hard chrome plating, these rods combine superior strength with ultra-precise machining for reliable operation in high-pressure systems.

Key Specifications
Feature | Specification |
---|---|
Material | 4140 forged steel, heat-treated to 28-32 HRC |
Dimensional Accuracy | ±0.01mm (CNC turning & grinding) |
Surface Finish | Mirror polish Ra 0.2μm |
Chrome Plating | 50μm thickness (exceeds ISO 6158) |
Straightness Tolerance | ±0.01mm (100% laser inspected) |
Pressure Rating | Up to 3000 PSI |
Technical Advantages
Enhanced Durability
3x longer service life than standard rods
Hard chrome plating resists wear and scoring
Forged steel core withstands extreme loads
Precision Performance
Ultra-smooth surface (Ra 0.2μm) prevents seal damage
CNC-ground dimensions ensure perfect fit
±0.01mm straightness for smooth operation
Superior Corrosion Resistance
Chrome layer protects against rust and pitting
ASTM B117 salt spray tested for harsh environments
Ideal for wet/dirty conditions
Quality Assurance
100% laser inspection for dimensional accuracy
Micro-hardness testing of chrome plating
ISO 9001:2015 certified manufacturing
Material traceability documentation
Customization Options
Diameter Range: 20mm – 200mm
Length Options: Up to 6000mm
Plating Thickness: 30-80μm (standard 50μm)
End Fittings: Custom machining available
Mounting Configurations: Threaded, flanged, or clevis ends
Industrial Applications
Hydraulic presses and stamping machines
Construction equipment cylinders
Agricultural machinery hydraulics
Industrial automation systems
Marine and offshore hydraulic equipment
Why Choose Our Piston Rods?
40+ years of hydraulic component expertise
OEM/ODM solutions available
Fast turnaround (15-20 days standard)
Global shipping with full documentation
Technical support for application engineering
Request More Information
Contact us about:
Custom sizing and configurations
Special material requirements
Volume pricing
Technical specifications
Engineered for precision. Built for endurance. Our hydraulic piston rods deliver reliable performance in the most demanding applications.
Submit Your Requirements:
- Upload 2D/3D Drawings(PDF, DWG, DXF, STEP, IGES).
- Specify Material & Quantity & Technical Requirements
- Receive free DFM feedback within 24h.