5/16 x 5 Alloy Steel Socket Head Shoulder Screw (Stripper Bolt) with Nylon Insert offers a practical solution when tooling or machine components need both socket-drive retention and a functional shoulder. This stripper bolt format is chosen when a mating part must ride, pivot, stop, or space against the shoulder. Typical applications include cams, linkages, pivot arms, guide blocks, and machine stops. For maintenance teams, the nylon insert can help address loosening concerns in equipment subject to vibration or repeated motion. Engineers can use the shoulder-size pair to match the bearing surface and travel requirement without changing the dimensional convention. Alloy steel construction supports industrial fastening applications where the shoulder performs the working role in the assembly. 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.