Bison Cast Iron Scroll Chuck - 4 Jaw - 1 Piece Jaw (Rear Mount) - 125mm

The Bison 3604 series rear-mount 4‑jaw cast iron scroll chuck in 125mm diameter is a robust, high‑accuracy holding solution for lathes. Its independent four‑jaw design lets you center round or irregular parts quickly and precisely, making setup faster and more reliable. With ground working surfaces, this chuck delivers consistent grip and smooth operation in everyday workshop use.

• True roundness with 4‑jaw centering: Each jaw can be adjusted independently to precisely locate and hold your workpiece, reducing runout and speeding up repeatable setups for complex shapes.
• Ground working surfaces for durability: Precision-ground contact surfaces ensure stable gripping over many cycles, helping maintain accuracy and extending tool life even under demanding use.
• Complete jaw set and wrench included: Comes with reversible hard jaws for internal gripping and outside hard jaws for external gripping, plus a wrench so you can start production right away.

Built in Poland at the Bison Bial factory, these chucks are recognized for dependable quality and long tool life. This rear‑mount 125mm chuck is a versatile, reliable choice for fabricators, engineers, and hobbyists who need consistent, repeatable performance from a single, durable holding solution.