Taper bush 2517 Bore Φ30mm.Taperlock bushes are tapered, non-flanged, split bushings that utilise screws to tighten them to the shaft, thus providing excellent clamping force. They can be installad to pulleys, sprockets etc to increase the clamping force over standard bored-to-size products that only use a keyway and set screw to lock onto the shaft. It is also very easy to uninstall by tightening on alen screw. Tapper bushes that supplied by www.sidiros.gr are of the highest quality, made from cast iron and come individually boxed. 2517 taper bushes are available in the following bore diameters Φ 16 18 19 20 22 24 25 28 30 32 35 38 40 42 45 48 50 55 60 65*.