Copper 7 Blade 42mm M4 Propeller For RC Boat Submarine And Marine Models CW CCW Right Hand Left Hand Built To Last Soldered Blades Perfect For Scale Boats And Watercraft Buffs

Copper 7-Blade 42mm M4 Propeller for RC Boats & Subs
✔️ 42mm copper 7-blade propeller, M4 hub, RH/LH, sold as single or pair

This copper 7-blade propeller is designed for RC boats and submarines, delivering reliable thrust in watercraft and marine-scale models. Its blades are soldered to the hub for strength and durability, and it supports both right-hand and left-hand rotation for versatile setups.

✅ Material: Copper blades soldered to hub for strength
✅ Rotating diameter: 42mm; Hub diameter: 7mm; Hub height: 18mm
✅ Center hole thread: M4; Suitable for shaft with M4 thread
✅ Type: Left-Hand/Right-Hand; Fixing: M2 set screw
✅ Item Contains: 1 piece of 42mm M4 Copper 7-Blade Propeller or 1 pair
✅ Couleur : une seule couleur

💡 What is a copper blade propeller used for in RC boats and submarines?

This handy prop converts power into thrust for watercraft and scale models.

- Copper blades soldered to hub boost durability
- 42mm diameter matches common RC shafts
- M4 hub with M2 set screw ensures secure mounting
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