M28 M16 Bolt and Nut for Track Link Assy

We are professional manufacture of earthmoving fastener, all of our fastener are made by high grade alloy steel, the surface hardness can reach HRC36-42, tensile strength is 170,000 P.S.I.



M28 M16 Bolt and Nut for Track Link Assy for Excavator Spareparts



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.
  • Our quality control is strictly performed from sourcing raw materials and different machining procession to final packing. 
  • We use Magnetic Particle Detector, Impact Tester, Material Testing Machine, Metallurgical Microscope, such testing and inspection instruments, to guarantee our products high quality.
  • Meet OEM and industry standard for earthmoving machinery and equipments.


2. Structure and Main Dimension


Bolt and Nut


3. Quality Detection


Metallic Phase Diagram

Quality Detection on Bolt and Nut


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




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