Bison Steel Independent Chuck - 4 Jaw - 1 Piece Jaw (Front Mount) - 315mm End Mill Holders helping you achieve accurate threads

helping you achieve accurate threads and superior surface quality

0 mm and delivers tight diameter tolerance of +0/-0

supporting better chip evacuation and reduced tool wear

The long length lets you target deep cavities without multiple setups or tool changes

Bison Steel Independent Chuck - 4 Jaw - 1 Piece Jaw (Front Mount) - 315mm End Mill Holders helping you achieve accurate threadsThe Bison 4306 series Steel 4 Jaw Independent Chuck (315mm) is a front mount workholding solution built for precision and versatility. Designed for machinists, engineers, and hobbyists who frequently clamp irregular shapes, this chuck lets you set each jaw independently to center and secure odd contours with confidence. Made in Poland, Bison chucks are recognized for durable construction, long tool life, and reliable performance. This model ships with