Bison 4344 Series 4 Jaw Direct Mounting Lathe Chucks

Product overview

About this machine.

Bison is a well-established manufacturer of precision workholding solutions, produced by BISON-BIAL S.A., a Polish engineering company founded in 1948. With over 75 years of experience, Bison is recognised for producing durable, accurate, and reliable chucks for a wide range of machining applications. Their product range includes manual and power chucks, collet chucks, faceplates, rotary tables, and related accessories, designed for consistent performance in both toolroom and production environments. Through vertically integrated manufacturing, including in-house foundry, heat treatment, and CNC machining, Bison maintains close control over quality and production standards. ISO-certified processes and continuous product development ensure dependable accuracy and long service life across their range.

The Bison 4344 4-Jaw Independent Chuck, CAMLOCK Direct Mount delivers precision, flexibility, and reliability for a wide range of turning applications. Designed for direct CAMLOCK spindle mounting, this chuck provides excellent rigidity, minimal runout, and fast installation without the need for an intermediate backplate. The independent 4-jaw system allows each jaw to be adjusted separately, giving precise control for centering round, square, or irregular workpieces. The chuck comes with reversible jaws for standard use. Built to Bison's high manufacturing standards, the 4344 combines durable construction, strong clamping force, and accurate, repeatable performance, making it a dependable solution for both toolroom and production environments.