This 5/8-11 x 5/8 Alloy Steel Button Head Socket Cap Screw with Nylon Insert is intended for cataloged inch-size applications where a button head and nylon insert are both specified. Where the application permits reuse, the nylon insert can provide a reusable locking feature that should still be evaluated against the actual service conditions.
The rounded head helps reduce exposed edges in visible or frequently handled assemblies while the internal hex socket supports controlled installation. In machinery panels, instrument housings, and space-constrained assemblies, the internal hex socket drive allows tool access from above while the nylon insert adds frictional resistance at the threads. Selection should account for joint geometry, thread engagement, installation access, head clearance, and the desired level of prevailing torque.
Cold Headers has supplied specialty socket fasteners since 1962 and supports exact-size sourcing for difficult-to-find socket products. For adjacent selections, buyers often compare standard button head socket screws, flat head socket cap screws, and nearby lengths when checking head style, material, locking feature, thread size, or nearby lengths.
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
