Grade 12.9 Tensile Resistant Track Shoe Bolt For Doosan DH220 Hyundai R215 Tensile Resistant
- High-strength Grade 12.9 construction for superior tensile resistance
- Compatible with Doosan DH series and Hyundai R series excavators
- Hexagonal head design for easy installation with standard wrenches
- Black oxide finish with excellent corrosion resistance
- Magnetic particle inspected for crack-free reliability
- Custom lengths and thread specifications available
| Attribute | Value |
|---|---|
| Head Size | 19mm |
| Tensile Strength | 120,000 PSI |
| Thread Size | M12 |
| Hardness | HRC 22-32 |
| Proof Load | 85,000 PSI |
| Material | Steel |
| Corrosion Resistance | High |
| Thread Type | Metric |
| Head Type | Hex |
| Finish | Black Oxide |
| Yield Strength | 92,000 PSI |
| Length | 50mm |
| Grade | 8.8 |
| Application | Railway Track Fastening System |
This Grade 12.9 high-strength excavator track shoe bolt is manufactured from premium alloy structural steel (40Cr/35CrMo/42CrMo/45) and undergoes quenching and tempering heat treatment to achieve a hardness of 38-42HRC, ensuring durability during high-intensity operations.
Designed for compatibility with Doosan DH series (DH220/300/370), Hyundai R series (R215/225/305), and Kato HD820 excavators, these bolts feature a hexagonal head design for efficient installation with standard wrenches. The black oxide finish provides superior corrosion resistance, with salt spray testing exceeding 72 hours.
Each bolt undergoes rigorous magnetic particle inspection to guarantee crack-free construction and reliable performance. Available for immediate shipment with customization options for different lengths and thread specifications.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.