1/2 x 2 1/2 Alloy Steel Socket Head Shoulder Screw (Stripper Bolt) with Nylon Insert gives engineers a stripper bolt option for applications where the shoulder geometry is central to movement or location. This stripper bolt format is chosen when a mating part must ride, pivot, stop, or space against the shoulder. Typical applications include material-handling systems, transfer equipment, moving plates, and plant maintenance work. A nylon insert helps add loosening resistance where repeated motion, equipment vibration, or service conditions can work against threaded retention. Repair technicians may source this part for replacement applications where motion control and retention both matter. As a stripper bolt, it can support tooling and guided-motion applications where the shoulder is part of the operating interface. Common sourcing contexts include replacement maintenance, fixture construction, and OEM production support. Call Cold Headers at 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.