12.9 Grade 40Cr Plow Bolt and Nut 4J9208/2J3507 for Excavator Spare Parts
1. Our Features
- Through professional quench-tempering processes to guarantee excellent mechanical properties, high strength and superior wear resistance to avoid bending and breakage.
- 100% quality assurance, develop and manufacture follow or even exceed original ones.35 years' experience in Excavator & Bulldozer spare parts manufacturing.
- Our quality control is strictly performed from sourcing raw materials and different machining procession to final packing.
- We can produce any requested parts according to your blue print or samples.
2. Structure and Main Dimensions
3. Quality Detection
Metallic Phase Diagram
Surface: tempered sorbite and little free ferrite Grade 2.
Inner: tempered sorbite and little free ferrite Grade 2.
4. Our Advantages
- World-class quality
- Factory sale directly with reasonable price
- Custom-made products are available
- 35 years' experience in Excavator & Bulldozer spare parts manufacturing
- Flexible payment terms including T/T,L/C and so on
- Fast delivery within 30 days after contract established
- Professional sales team,quality inspection and report, maritime logistics guidance
- After-sale services:video technical support, 24h online support
5. Positive Customers Feedback
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