Bison Cast iron Scroll Chucks - 3 Jaws - 1 piece Jaw (Rear Mount) - 125mm

The Bison 3204 series rear-mount, 3-jaw cast iron scroll chuck delivers dependable, centered workholding for a wide range of turning tasks. With a 125 mm capacity and ground working surfaces, it’s designed for both precision projects and everyday workshop work. Supplied with a wrench and a jaw set that includes reversible hard jaws and outside hard jaws, it’s ready to use straight from the box.

Built from durable cast iron for rigidity and long-term stability, this rear-mount chuck is ideal for engineers, tradespeople, hobbyists, and DIYers who value reliable grip and repeatable results across multiple parts.

• Ground working surfaces: Precise, consistent grip and smoother operation thanks to tightly finished contact areas, helping improve accuracy and extend jaw life over many cycles.
• Self-centering 3‑jaw action for fast setup: Centers parts quickly with minimal adjustment, reducing setup time and delivering repeatable, concentric results.
• Complete jaw kit and wrench included: Comes with a set of reversible hard jaws and a set of outside hard jaws plus a wrench, enabling versatile gripping for a variety of shapes and sizes right away.

Designed to streamline turning tasks, this chuck holds parts securely in a rear-mount configuration, improving workflow and consistency. The combination of robust cast iron construction, ground surfaces, and included jaw options supports durable, low-maintenance performance in busy shops, making it a dependable choice for both production runs and personal projects.