Hollow Bolt With Side Hole

As a critical connection node in mechanical transmission and fluid systems, this component features an integrated design with a through-hole on the side of the head and external threads on the shank. This structure allows for anti-loosening locking via pins or circlips, while achieving axial fastening through thread engagement. It is commonly used in hinge points of linkage mechanisms, hydraulic pipe joint fixation, or quick-locking stages of precision tooling fixtures, effectively preventing loosening and displacement under vibration conditions.

The manufacturing process requires strict control over the perpendicularity between the side hole axis and the thread axis, as well as the integrity of the thread profile and surface finish. Due to the transition between turning and drilling operations, reasonable clamping solutions must be designed to eliminate cumulative errors from secondary positioning, ensuring the side hole position meets assembly requirements. For materials such as stainless steel or carbon steel, cutting parameters must be strictly controlled to avoid burrs, ensuring smooth pin insertion and flatness of the sealing surface.

Changzhou Senboyu Electric is equipped with Tsugami Swiss-type lathes and CNC lathes, enabling efficient precision turning and drilling of such rotational parts. We are particularly suited for non-standard custom requirements with strict demands for coaxiality and thread precision. Combined with inspection methods using Keyence vision measuring systems and pneumatic gauges, we strictly screen key diameters, pitch, and geometric tolerances. We support material selection and process evaluation based on customer-provided 2D/3D drawings, offering a one-stop solution from single-piece prototyping to bulk delivery.