1-64 x 1 1/4 18-8 Stainless Steel Socket Head Cap Screw supports machine designs that need corrosion-resistant clamping hardware without giving up internal-hex installation access. 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: 1-64 UNC; Length: 1 1/4 in.; Nominal Body Diameter: 0.073 in.; Head Diameter: 0.118 in. max / 0.112 in. min; Head Height: 0.073 in. max / 0.070 in. min; Hex Key Size: 1/16; Drive Type: internal hex. Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.