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
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2. Structure and Main Dimension
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Metallic Phase Diagram
Surface: tempered sorbite and little free ferrite Grade 2.
Inner: tempered sorbite and little free ferrite Grade 2.
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