Standard

Tapered sockets are created for fast assembly and disassembly of pulleys and other transmission gear without having the want for particular instruments other than a hex essential. Various machined holes make sure instant group, avoiding pricey factory downtime. Bushings are keyways machined to British Regular Requirements. This is in addition to the clamping screw, which is ample for the needed torque in a lot of situations. Tightening with a tapered bushing gets rid of any hole among the hub and the bore, which gets rid of fretting corrosion.
Standard