Shaft Bucket Linkage Pins CNC Machining Parts For Excavators PC-60
CNC machining of high-quality spare parts for excavators PC-60, shaft bucket linkage pins
Product Overview
We specialize in precision CNC machining of high-performance spare parts for Komatsu PC-60 excavators, including shafts, bucket linkage pins, bushings, and hydraulic components. Our parts are manufactured to OEM standards (or higher) using certified materials and advanced CNC processes, ensuring perfect fitment, durability, and extended service life for your heavy equipment.
Key Features & Benefits
✔ Premium Material Selection
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Alloy Steel (4140, 4340, SCM440) – Heat-treated for high strength and wear resistance
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Stainless Steel (304, 316) – Corrosion-resistant for harsh environments
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Case-Hardened Pins – Surface hardness HRC 55-60 with tough core (HRC 28-32)
✔ Precision CNC Machining
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Tolerances: ±0.01mm for critical bore/pin diameters
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Surface Finish: Ground to Ra 0.4μm (mirror polish available)
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Key Processes: Turning, grinding, threading, induction hardening
✔ Excavator-Specific Components
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Bucket Linkage Pins – Precise diameters (20mm–80mm) with grease grooves
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Swing Shafts – Splined or keyed profiles per OEM specs
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Bushings & Sleeves – Hardened inner surface for reduced wear
✔ Quality Assurance
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100% Dimensional Inspection (CMM, micrometers)
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Material Certs: EN 10204-3.1 with chemical composition reports
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Performance Tests: Hardness, salt spray (500h+), load cycling
✔ Customization & Logistics
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OEM Replacement: Match original Komatsu PC-60 part numbers
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Modified Designs: Reinforced versions for extended lifespan
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Fast Delivery: Samples in 5 days | Bulk in 10-15 days
CNC Machined Excavator Spare Parts - Technical Specifications
| Parameter | Specification | Testing Standard |
|---|---|---|
| Material Grades | Alloy Steel: 4140, 4340, SCM440 Stainless Steel: 304, 316 Case-Hardened Steel: 20MnCr5 |
ASTM A322, JIS G4105 |
| Hardness | Core: HRC 28-32 Surface: HRC 55-60 (case-hardened parts) |
ASTM E18 |
| Diameter Range | 20mm-80mm (standard) ±0.01mm tolerance |
ISO 286-2 |
| Length Range | 50mm-500mm ±0.1mm tolerance |
|
| Surface Finish | Ground: Ra 0.4μm Turned: Ra 1.6μm |
ISO 1302 |
| Straightness | ≤0.05mm/m | ISO 1101 |
| Grease Grooves | Standard: 1-3 grooves Custom patterns available |
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| Thread Specifications | Metric/UNC/UNF Class 6g/6H fit |
ISO 965 |
| Heat Treatment | Induction hardened Through hardened (optional) |
ISO 683-1 |
| Corrosion Resistance | 500h salt spray (galvanized option) | ASTM B117 |
| Load Capacity | Shear strength: 800-1200MPa Yield strength: 900-1100MPa |
ISO 6892-1 |
| Certifications | ISO 9001, CE Marking Material Traceability |
EN 10204-3.1 |
| MOQ | 10pcs (standard sizes) No MOQ for OEM replacements |
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| Lead Time | Samples: 5 days Production: 10-15 days |
Applications
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Bucket Linkage Assembly – Pins, retainers, washers
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Undercarriage Components – Track bushings, sprocket shafts
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Hydraulic System – Valve shafts, piston rods
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Swing Mechanism – Gear shafts, slewing rings
Why Choose Our Excavator Parts?
Komatsu-Compatible – Interchangeable with PC-60/PC78/PC130 models
Extended Wear Life – 2-3X longer than standard aftermarket parts
Cost Savings – 30-50% lower than OEM dealers
ISO 9001 Certified – Full traceability from raw material to shipment
How do I place an order?
You can contact us directly with your specifications, and our team will assist you through the ordering process
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.