oint coupling adopts a special coupler, used for connecting the motor shaft and the hexagon wheel of the robot, and other DIY models.
ADVANTAGES:
1. The universal joint coupling nuts are nickel-coated iron, which is sturdy and durable for long-lasting use.
2. The universal joint coupling provides torque transmission and alignment, a cost-effective coupling design, which is very flexible and easy to use.
3. The rotatable coupling is perfectly applicable for RC model cars and the RC model boat is the perfect motor shaft fitting accessory.
4. 100% brand new and high quality.
PACKAGE CONTENT:
Thread Size: M4
Inner Diameter: 6mm to 6mm
Length: 23mm/0.91 inch
Outer Diameter: 11mm/0.43 inch
Net Weight: 20g (2pcs)
Color: Silver Tone
Package Included: 2 x Universal Joint Coupling Nuts +4 x Fastening Screws