Saftey Lock Kwik Link 4-40 (12) (DUB818)

Safety Lock Kwik Link with a 4-40 thread is a compact locking quick-link designed to secure small connections quickly and reliably.

Lightspeed offers a 12-pack while Horizon lists the same item in bulk, giving builders flexible options. These 4-40 safety links are compatible with standard hardware and provide a secure, stay-put linkage for hobby builds and other small assemblies that require a quick, dependable connection.