5/16-18 x 1 is specified for dry-service set-screw work where the screw must hold adjustment while reducing direct steel-on-part contact.
Typical uses include semiconductor tooling, electronics fixtures, and light mechanical assemblies with finished contact surfaces. These parts are often selected where repeat adjustment matters and the mating surface is more valuable than the replaceable tip. Nylon is the softer contact choice for delicate finishes and repeated adjustment.
Cold Headers supports set-screw users with application-aware sizing help and a catalog built around specialty socket products. 316-body tipped screws can be discussed as a non-catalog option when the alloy or 18-8 catalog paths do not fit the environment.
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.