We provide high strength Center Bolt that are used as auto suspension parts. Spring center bolts are made of good quality steel that gives them superior strength and endurance. Center cap bolts are available in various customized sizes and specifications. The bolt that maintains the alignment of the leaves in a leaf spring, and the position of the axle on the springs are centre bolts. The spring center bolt fastens the leaves together and its head locates the spring in the front axle beam or saddle on the rear axle housing.