Couple - Plain Bore Insert 1:8

The Radio Active Couple - Plain Bore Insert 1:8 (I-RMA5520) is a single brass insert intended for use in coupling assemblies. The plain bore design provides a smooth, unkeyed interface where a straightforward insert is required.

Made from brass, this insert offers a simple solution for maintaining or assembling compatible coupling hardware in modelling and light engineering contexts.

Key Details

• Single brass insert for coupling use
• Plain bore (smooth, unkeyed) design
• Brand: Radio Active
• Part number: I-RMA5520
• Designation: 1:8 as per product name