This robust chuck with taper arbour MT3-B18 is widely used with drill machines, milling machines, lathes, boring lathes and electric hand tools. It has a clamping range of 1-16 mm. This drill chuck is made of heat resistant steel with high hardness, high precision and corrosion resistance. Keyless design, tightening and loosening is by hand force offers a quicker and easier chucking and unchucking. The unique thrust bearing helps the application of torque by the handle into a greater clamping force. Delivery includes a box for easy storage and transport.