Service Caster 1-1/4 inch by 4 inch zinc plated modular square scaffolding stem for 1/2 inch Series #20 bolt hole casters. Features a 1/2 inch - 13 by 1 inch threaded stud designed for secure installation into hollow 1/2 inch Series #20 bolt hole casters.
Designed to provide versatile mounting options, these modular stems easily attach to standard 1/2 inch bolt hole casters. The durable zinc plated finish resists corrosion for long lasting performance.
Commonly used in scaffolding and similar equipment, these stems install into square tubing and offer a reliable and adaptable solution for a wide range of caster applications.