Bottom Roller Track Roller Bolt and Nut for Bulldozer and Excavator

1. Why Choose Us?

• Through professional quench-tempering processes to guarantee excellent mechanical properties, high strength and superior wear resistance to avoid bending and breakage.35 years' experience in Excavator & Bulldozer spare parts manufacturing.
• Strict quality control from raw material, design, technology, manufacturing for the entire process of detection.
• We use Magnetic Particle Detector, Impact Tester, Material Testing Machine, Metallurgical Microscope, such testing and inspection instruments, to guarantee our products high quality.
• 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. Compatible Brands

5. Positive Customers Feedback