For drawings calling out a locking button head socket screw, the 5/16-18 x 1/2 Alloy Steel Button Head Socket Cap Screw with Nylon Insert keeps exact thread and length identification clear. The nylon insert helps resist loosening through friction at the mating threads, providing prevailing torque without requiring a separate locking component.
A low-profile button head can be helpful around covers, panels, and compact machine envelopes where an external wrenching surface would be undesirable. Typical uses include automation systems, robotic fixtures, and inspection tooling, where a precise socket fastener with a low rounded head can support compact machinery layouts. For replacement applications, matching the exact diameter and length helps align the part with drawings, service records, and existing hardware.
Cold Headers provides catalog depth for specialty socket fasteners and helps purchasers identify the correct alloy steel button head nylon insert size. For adjacent selections, buyers often compare 18-8 Stainless Button Head Socket Cap Screws, 316 Stainless Button Head Socket Cap Screws, and related locking fasteners when checking head style, material, locking feature, thread size, or nearby lengths.
Technical Highlights
- Material: Alloy Steel
- Thread Size: 5/16-18
- Length: 1/2 in.
- Head Style: Button Head
- Drive Type: Internal Hex Socket
- Locking Feature: Nylon insert providing prevailing torque
Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
