1pcs 3mm to 5mm Bore Rigid Coupling Set Screw L20XD12 Aluminum Alloy, Shaft Coupler Connector, Motor Accessories - Dark Red

Features:High Quality: Made of aluminium alloy material, light, anti-oxidant, and anti-corrosive, delicate CNC cut with outstanding appearance, high precision fine workmanship, long service life.Function: Used for connecting the driving shaft and the drived shaft of model motors, can convey the driving force steadily in the precise coaxiality.Use: Commonly used for shafts that transmit motion, and widely used in DIY model, such as RC model, car or boat etc. as connector for different parts as joint connector. Specifications:Type: Couplings ShaftMounting Hole: M4Material: Aluminium AlloyColor: Dark Red/Water Blue/Dark BlueThree Types Coupler:1.Diameter*Length:12*20mm, color is Dark Red2.Diameter*Length:14*25mm, color is Dark Blue and Water Blue3.Diameter*Length:16*25mm, color is Water BluePackage Included:1 x Coupler1 x Hex Head Spanner4 x M4 Screws

• 【Package Included】1pcs coupler, 1pcs hex head spanner, 4pcs M4 screws.
• 【Note】The rigid type basically does not allow eccentricity, and it must be fully adjusted during use.
• 【Widely Used】Suitable for connecting two axis with different diameters, can also be connected with a motor axis, or connecting shafts of different diameters.
• 【High Quality】Made of aluminum alloy material, light, antioxidant, and anticorrosive, delicate CNC cut with outstanding appearance, high precision fine workmanship, long service life.
• 【Function】Between the transmission member can do both screw can do model remote control boat propeller shaft and the motor power, flexibility of this coupler removes stress between motor and driving component.