uxcell 10pcs Set Screw Collars 4mm Bore Stainless Steel Shaft Collars, 9mm OD, 7mm Width, Landing Gear Stopper Wheel Collar

Durable Construction: Made of 304 stainless steel, high strength, strong locking force, anti-corrosion, and durability. Round bore collars are commonly used as positioners, spacers, stops, and bearing surfaces.Secure Shaft Attachment: Set screw collars are designed with a threaded hole and a set screw that tightens against the shaft, ensuring a secure attachment. This feature prevents slippage or movement of components during operation.Adjustable Positioning: The set screw design allows for adjustable positioning along the shaft. This flexibility enables fine-tuning and precise alignment of components to achieve optimal functionality and performance.Versatile Applications: These collars are widely used across different industries, including automotive, robotics, and RC airplane models. They can be used in various equipment and machinery to secure gears, pulleys, sprockets, or other components onto shafts.Easy Installation: These collars are easy to install on the shaft. Simply slide the collar onto the desired position and tighten the set screw using a compatible hex wrench. No additional tools or disassembly of other components are required.