4040 taperlock bushes

These bushes have three locking screws to lock onto the shaft & two extraction screws for taking out the taper.Saves costs of precision machining shafts. Accommodates wide shaft diameter limits +0.05mm (0.002") to 0.125mm (0.005").Avoids the use of Taper Keys.Spheroidal Graphite (S.G.) iron construction on some sizes to give increased maximum bores.Keys not required on light/medium duty applications.