12.9 Grade Track Shoe Track Pad Bolt and Nut for Bulldozer and Excavator
1. Our Advantages
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Through professional
quench-tempering processes to guarantee excellent mechanical properties, high
strength and superior wear resistance to avoid bending and breakage.
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100%
quality assurance, develop and manufacture follow or even exceed original
ones.
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35
years' experience in Excavator & Bulldozer spare parts manufacturing.
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Strict quality control from raw material, design, technology,
manufacturing for the entire process of detection.
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. Compatible Brands
5. Hot Sales
