12-28 x 3/8 18-8 Stainless Steel Socket Head Cap Screw fits production assemblies where engineers need socket engagement, dimensional clarity, and stainless material compatibility. 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 commercial equipment, panel assemblies, and maintenance repair 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: 12-28 UNF; Length: 3/8 in.; Nominal Body Diameter: 0.215 in.; Head Diameter: 0.344 in. max / 0.337 in. min; Head Height: 0.215 in. max / 0.211 in. min; Hex Key Size: 5/32; Drive Type: internal hex. Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.