Roller chain sprockets, sometimes called single-strand sprockets, possess a series of teeth around a central bore and so are used in mixture with roller chains to go conveyors and other commercial machinery. Fixed bore cogs and chains sprockets are designed to fit a specific shaft size you need to include a keyway and setscrew therefore they’re prepared to install. Plain bore sprockets are manufactured with out a keyway or established screw. Keyways or set screws could be machined to the specific size necessary by the prevailing shaft and software. Bushed bores have significantly more clamping region around the shaft to supply a secure match for high torque or high-power applications when the shaft is at risk of slipping, such as paper milling and agricultural machinery.