Size: Bore: 12mm/ 4.7inch; Outer Diameter: 20mm/ 7.9inch; Width: 40mm/ 15.7inch.The adjusting ring is an annular device. They can also be used as spacers between positioners, and other elements.Comes with accessories: a nickel flat head wrench （short shaft length: 26mm, long shaft length: 67mm）.
Application: Shaft rings are widely used as a stopper, or for the positioning and holding of timing pulleys, etc. It has high axial and radial support performance, making it a reliable choice for almost all types of machinery and industries, such as drive shafts, wheelbarrow axles, CNC machine tools, agricultural equipment, gearbox assemblies, motor bases, steel mill equipment, automotive industry, manufacturing industry, food processing industry, etc.
Usage: Push the sleeves onto a shaft and tighten the setscrew to secure the sleeve. Collars are easily adjusted with screws. Works on both hard and soft shafts.
Note: When choosing the shaft ring, you can refer to the drawing and detail parameters so that you can choose a suitable optical shaft fixing ring for you.
Features: Good quality aluminum alloy material, lightweight, surface oxidation and corrosion resistance, rugged and durable; Offers good stability, high performance and durability; The shaft can be fixed with fixed screws without damaging the shaft.