• Name: Brass Coupling
• Material: Brass
• Screw size: including M3 screw, fixing the steel shaft through the side jack screw hole
• Color: as shown in the picture
• Outline dimension: diameter of both ends is about 9mm, middle diameter is about 7mm, total length is about 20mm;
• Existing specification: 3.175mm - 4mm, 3.175mm - 5mm, 3.175mm - 3.175mm, 2.3mm - 2mm, 5mm - 6mm, 2.3mm - 4mm, 2.3mm - 3.17mm, 3mm - 3.175mm, 2mm - 3.175mm, 2.3mm - 3mm, 2mm - 3mm, 5mm - 5mm, 2mm - 4mm, 3mm - 6mm, 3mm - 4mm, 3mm - 5mm, 2mm - 6mm, 4mm - 4mm, 4mm - 6mm, 3mm - 3mm, 2mm - 2mm, 4mm - 5mm, 6mm - 6mm, 2mm - 5mm
• Dimension meaning: for example, 2mm to 3mm (it means that one end is a 2mm hole and the other end is a 3mm hole, which can connect 2mm and 3mm shafts together)
• Purpose: used to connect two steel shafts, transmission shaft and motor shaft.. For example, connect threaded screw rod and motor shaft; For example, connecting propeller drive shaft and motor shaft
• For example, there is a motor with a shaft diameter of 2mm and a steel shaft with a diameter of 5mm. If you want to connect the motor shaft and the steel shaft, you need to use a coupling with a diameter of 2mm to 5mm,

• Note: The product dimensions are all measured by hand, and there are tolerances in the dimensions.

Packing Quantity:

• According to your choice.