5/16"-24 x 1‑1/4" Socket Head Cap Screw, Alloy Steel, Thermal Black Oxide (USA)

This USA‑made 5/16"-24 x 1‑1/4" socket head cap screw is manufactured from high‑strength alloy steel to deliver reliable fastening performance in machinery, tooling, equipment assembly, and precision industrial applications. The thermal black oxide finish improves corrosion resistance, enhances lubricity, and provides a clean, uniform, low‑glare appearance while maintaining exact dimensional tolerances.Featuring a hex socket drive for secure torque transfer and a vibration‑resistant fit, this fine‑thread fastener is ideal for applications requiring strength, precision, and long‑term stability. Its American‑made construction ensures clean, consistent threading, excellent durability, and dependable performance in demanding environments.