Brass Rigid Motor Shaft Coupling 3.17/4/5/6/8/10/12mm Coupler Transmission Connector Sleeve Adapter For RC Boat Car Airplane

Product Informations:

Name: Brass Rigid Motor Shaft Coupling/Connector Sleeve Adapter Copper Transmission Joint For RC Boat Car Airplane Material: Brass Surface: Untreated Specification: 3.17/4/5/6/8/10/12mm  Outer diameter：14mm/16mm/20mm Height: 22/25mm Conversion: 1 mm = 0.039 inch, 1 inch = 25.4 mm Widely used in motors, hardware, molds, machinery transmission occasions. Buy brass coupling we will send you a wrench + M4/M5 screws x 4pcs

Please Note!  Size is the size of the hole, such as 2 to 2 means the hole diameter of one head is 2mm and the other is 2mm.