Outer nut with inner nut for truck

Outer nut with inner nut for truck 

1.Material:ASTM1045(45Steel),ASTM5140(40Cr)

2.Quality:8,10

3.Finishing:Black oxide, Phosphated, Zinc plated                                 

4.Color:Black,Grey,Yellow,Sliver

5.Heat Treament:HRC28-32°,HRC33°-38°

Products:

Packing:

 We can make products strictly according to the customers'requirement (drawings or samples)

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