Dozer Bolts and Nuts
Grade 12.9 track bolt and nut, plow bolt and nut segment bolt and nut.case hardening is HRC 38-42, Material is 40CR,and the surface is treated with bluing, screw thread has two type description, one is the metric system:M12-M24-6g, another is denominator system:1/2-1/4--2A.the specification can be customized.
Within 30 Days After Contracted
Heat Treatment, Bluing, Hot Forging
Our company We use high quality steel , have good mechanical properties and stability of chemical component. it keep the bolt to be of high strength.
Single bolts, every month can produce 1.7 million bolts. Now we buy a Full Automatic Cool-forging Machine. this greatly enhances our production capacity with more quality and more beautiful appearance.