4-40 Heavy Duty Ball Link (12) (DUB900)

4-40 Heavy-Duty Ball Link, 12-Pack, is a rugged linkage component designed to deliver smooth, friction-free motion in a wide range of hobby projects. These sturdy ball links provide reliable, adjustable connections for assemblies that require precise control and durable performance.

Each link features a burnished, nickel-plated brass ball for consistent motion and is supplied with a socket head cap screw, brass shim, and nylon insert lock nut for a secure, adjustable fit.