... in the design, manufacturing, and distribution of precise collet chuck. We are able to offer high quality Through Hole ... 5, 6, 7, 8, 10 Nose of Spindle: A2-4, A2-5, A2-6, A2-8 Dia. Of Thru-Hole ... : 25.4, 42, 45, 50, 52, 60, 65, 80, 100 ... much more suitable used for precise diameter than chuck with jaw. - Power chuck provides great precision for the object under high- ...