Radio Active 7in Prop Shaft M4 4mm, 8mm Tube

The Radio Active Prop Shaft 7in M4/4mm Stainless Shaft with 8mm diameter brass tube (part I-RMA4418) is a robust propeller drive shaft assembly for radio-controlled models. It combines a corrosion-resistant stainless steel shaft with a durable brass tube housing for dependable running in marine environments.

With a 4mm (M4) shaft and 8mm outer tube, this assembly offers a practical size for many scratch builds, repairs and upgrades in RC boat drivetrains. The 7 inch length provides useful installation flexibility while maintaining strength and alignment. Suggested applications include RC model boats and other marine propulsion setups.

Key Details

• Overall length: 7 inches
• Shaft: 4mm (M4) stainless steel
• Tubing: 8mm diameter brass