Features:
1. Made of quality 6061 aluminum alloy, and corrosion resistance , surface oxidation, sturdy and durable, shows good shiny, long service life. Provides good stability, high work performance and durability.The shaft can be clamped-on tightly by set screw, the shaft will not be damaged.
2. Clamp-on shaft collars are designed for quick installation with large openings that are not easy to fall off when used. The shaft can be clamped on tightly by the set screw, and the shaft will not be damaged.
3. The set screw ring is a ring-shaped device. They can also be used as spacers between positioners, mechanical stops and other components.
4. Simply slide these collars onto a shaft and tighten the set screw to hold the collar in place. Collars are easy to adjust with their set screws. Effective on hard and soft shafts.
5. Useful in nearly every type of machinery and industry, shaft collars have extremely diverse applications,such as holding bearings, sprockets, pulleys, or other shaft components in place. Good axial and radial support performance, durable choice for nearly all types of machinery and industry, such as drive shafts, wheel barrow axle, cnc machine tools, agricultural implements, gearbox assemblies, motor bases, steel mill equipment, the automotive industry, the manufacturing industry.

Specifications:
Material: Aluminum Alloy
Finish: Anodization
Bore: 20mm / 0.78inch
Outer Diameter: 40mm / 1.57inch
Width: 12mm / 0.47inch
Package Content: 8 x Set Screw Shaft Collar, 8 x Set Screw