A connecting bolt belongs to the technical field of auto parts. It solves the problem of poor anti-loosening effect of the existing connecting bolts for guide pins of brake calipers. The connecting bolt includes a coaxially arranged and integrated head and a rod, and the rod It includes a polished rod section and a threaded section, the outer peripheral surface of the polished rod section is a cylindrical surface and the polished rod section is located between the head and the threaded section, the outer diameter of the head is larger than the outer diameter of the polished rod section, and the center of the top surface of the head is provided with a hexagonal blind hole. The outer peripheral surface of the head is provided with a ring-shaped groove, and the bottom surface of the head has an anti-loosening structure which increases the friction coefficient. The utility model has the advantages of good anti-loosening effect and convenient connection of dust jackets.
The above is what Low price Machined Speical Bolt tells: a brief introduction to the relevant knowledge of connecting bolts.