All of our 12.9 grade of track bolt,plow bolt,segment bolt and nut made in 40Cr or 42CrMo,black finished,hardness are HRC38-42.

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.

 There are 10.9,12.9 class of track bolt and nut,plow bolt and nut,segment bolt with nut,wheel bolt and nut.Also we could produce according to your drawing or sample.  Except these fastener,we also can produce pins and locks,bushes for Cat,Komatsu,ESCO,JCB....If you want to know more of our products,please feel free to contact with us,we will reply you as soon as possible. 

8S0395

8S1723

9S1838

7T0998

7T0999

7T2283

6V1724

6V1725

6V1727

6V1728

12.9 or 170 grade of Plow Bolt, Track Bolt and Segment Bolt