Radio Active Prop Shaft 5in M4/4mm – I-RMA4410

The Radio Active Prop Shaft 5in M4/4mm pairs a stainless steel shaft with an 8mm diameter brass tube, offering a compact and durable drive solution for RC marine use. Stainless steel helps resist corrosion and wear, while the brass outer tube supports smooth, consistent running in typical model boat installations.

With a 5 inch shaft length and M4/4mm specification, this assembly is suited to many scratch builds and refits where a short propeller shaft is preferred. Suggested compatibility includes radio-controlled boats that use an M4/4mm propeller interface and accept an 8mm outer tube in the hull. Please check measurements against your model before installation.

• Length: 5 in (approx.)
• Shaft: Stainless steel, M4/4mm specification
• Tubing: Brass, 8 mm diameter
• Brand: Radio Active
• Part number: I-RMA4410