3/4 x 2 1/4 Alloy Steel Socket Head Shoulder Screw (Stripper Bolt) with Nylon Insert provides a defined shoulder for controlled movement, accurate positioning, and serviceable fixture design. The important engineering feature is the shoulder, which supports positioning and movement while the threaded end retains the fastener. Typical applications include assembly equipment, pivoting components, locating nests, and serviceable machine designs. The nylon insert supports resistance to loosening while the shoulder continues to provide the bearing, guide, spacer, or locating surface. Repair technicians may source this part for replacement applications where motion control and retention both matter. The socket head shoulder screw format is well suited to serviceable machinery where access and repeatable location are both important. 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.