Medway: 2012-45 Metic Tape Bush Taper Bushes are a convenient and cost effective method of fixing components to a mating shaft without using any special tools. Taper Bushes are pre-machined with the required bore & keyway size and are supplied complete with locking set screws. Taper Bushes are designed for use with V-Pulleys, Chain Sprockets, Micro V-Pulleys, Timing Belt Pulleys, Couplings, and Weld-On & Bolt-On Hubs. Part numbers are identified by a 4 digit number (e.g. 1610) which represents the taper bush series followed by the bore size (e.g. 28mm) for example 1610x28mm. MPN: 2012X45MMDUN EAN: 5059161031434 2012-45 Metic Tape Bush Attributes: Bore Diameter: 45mm Bush Length: 31.8mm Grub Screw Size: 7/16" BSW Keyway: 14 x 3.8mm Large Diameter: 70mm Product Type: Taper Bush with Metric Bore, Keyway & 2 Grub Screws Taper Bush Number: 2012