Specification Brand : BORDSTRACT BulletPoint1 : Accurate Edges: The CNC motor jaw shaft coupler set has smoothly and precise edges, perfectly machined, and not easily deformed under pressure. It can ensure a stable and reliable connection between the shafts, and reduce the vibration and noise BulletPoint2 : Corrosions Resistant: The motor jaw shaft coupler set is made of high-quality steel, which is corrosions resistant and durable. It can withstand high torques and speed, and has a long service life. It is also easy to clean and maintain BulletPoint3 : Easy Installation: The shaft coupler set comes with screw holes and set screws, you can easily install the coupler and put it into use. It also includes a wrench for your convenience. The coupler has an inner diameter of 5mm, which is suitable for most shafts of the same size BulletPoint4 : Wide Application: The motor coupler set is widely used in motors, hardware, molds, mechanical transmission, and other occasions. It can connect two shafts of different or same diameters, and transmit power and motion BulletPoint5 : Practical Accessories: The motor shaft coupler set contains 5 couplers, 20 set screws and a wrench, which can meet your use and replacement needs, very practically. It is a very practical accessory for various machines and devices DriveSystem : External Hex ExteriorFinish : Silver FinishType : Finish ItemName : BORDSTRACT 5PCS CNC Motor Jaw Shaft Coupler, Anti Corrosions Steel Burr Frees Universal Shaft Coupling for Industrial Stepper Motor ItemPackageQuantity : 1 ItemTypeKeyword : set-screw-couplings Manufacturer : BORDSTRACT Material : Steel MetalType : Alloy Steel PartNumber : BORDSTRACT1w9u6nc7xg ProductDescription : Specification: