2-56 x 7/8 18-8 Stainless Steel Socket Head Cap Screw is commonly used when a size-specific stainless socket cap screw must match the thread and length called out on existing documentation. The material offers everyday corrosion protection for many packaging, processing, instrumentation, and commercial equipment applications. Hex-key installation helps technicians reach fastening points inside covers, brackets, guards, fixture plates, and machine frames. Typical placements include industrial automation, fixture plates, and assembly equipment where general corrosion resistance and internal-hex access are useful. Engineering departments can evaluate head clearance, drive access, and material compatibility before releasing the assembly. Technical Highlights: Material: 18-8 Stainless Steel; Thread: 2-56 UNC; Length: 7/8 in.; Nominal Body Diameter: 0.086 in.; Head Diameter: 0.140 in. max / 0.134 in. min; Head Height: 0.086 in. max / 0.083 in. min; Hex Key Size: 5/64; Drive Type: internal hex. Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.