Iron plated universal joint can rotate and change the transmission direction. Suitable for car models and ship models, small and delicate, durable.
Product Description:
Name: Universal joint coupling
Material: iron electroplating (45 # steel)
Product description: For example, 4mm-5mm, i.e. 4mm and 5mm holes on both sides, can be inserted and fixed with shafts or motors of corresponding size and diameter.
Use: motor, straight shaft, suitable for model cars, model ships, robots and other types of metal transfer use!
Dimension introduction: (data is for reference only, please refer to the actual object)
2. 3mm-2.3mm.2mm-2.3mm. 2mm-2mm
Universal Joint Outside Diameter: 8mm
Universal Joint Length: 18mm
Side Screw Fixing Hole: M3

2. 3mm-3mm. 3mm-3mm. 3mm-3.17mm. 3. 17mm-3. 17mm. 3.17mm-4mm.3mm-4mm. 4mm-4mm.2. 3mm-4mm
Universal Joint Outside Diameter: 9mm
Universal Joint Length: 23mm
Side Screw Fixing Hole: M3

3mm-5mm, 3.17mm-5mm, 4mm-5mm, 4mm-6mm, 5mm-5mm, 5mm-6mm, 6mm-6mm
Universal Joint Outside Diameter: 11mm
Universal Joint Length: 23mm
Side Screw Fixing Hole: M4

5mm-8mm, 6mm-8mm,6.35mm-8mm, 8mm-8mm(this model is designed to be fixed with a snap ring, so it is a bit tight, which is normal)
Universal Joint Outside Diameter: 14mm
Universal Joint Length: 35mm
Side Screw Fixing Hole: M4
Fixed Clamp Spring Design

8mm-10mm, 10mm-10mm
Universal Joint Outside Diameter: 16mm
Universal Joint Length: 35mm
Side Screw Fixing Hole: M4

Package Include:
According to your Choose!