Service Caster 5/16 inch diameter 18 TPI by 4.8 inch long zinc plated modular threaded ladder stem for 3/8 inch Series #05 bolt hole casters. Features a 3/8 inch - 16 by 3/4 inch threaded stud designed for secure installation into hollow 3/8 inch Series #05 bolt hole casters.
Designed to provide versatile mounting options, these modular stems easily attach to standard 3/8 inch bolt hole casters. Commonly used on ladder applications with a spring and nut assembly, they provide a secure and functional mounting solution. The durable zinc plated finish resists corrosion for long lasting performance.