Bison Steel Scroll Chucks - 3 Jaws - 2 Piece Jaw (Rear Mount) - 400mm

The Bison 3505 series rear-mount, 3-jaw steel scroll chuck is a rugged, precision workholding solution built for demanding turning and machining tasks. This 400mm model delivers secure, centered gripping with three jaws, making it well suited for engineers, machinists, tradespeople, hobbyists, and anyone who needs reliable, repeatable clamping in daily workflows.

It features a balanced scroll plate and hardened, ground working surfaces for long life and consistent performance. The chuck is supplied with a wrench and a 2-piece jaw set (hard top jaws and hard master jaws). All Bison scroll chucks are 100% made in the Bison Bial factory in Poland and are renowned for exceptional quality and tool life.

• Balanced scroll plate for precise, repeatable grip: The balanced scroll plate keeps jaw movement smooth and concentric, delivering dependable holding and repeatable results across jobs.
• Hard-wearing 2-piece jaw set with hardened, ground surfaces: Includes hard top jaws and hard master jaws, both with hardened and ground working surfaces for long tool life and reliable clamping on tough materials.
• Rear-mount design from Poland for proven reliability: Built in the Bison Bial factory in Poland, this rear-mount chuck combines robust construction with tight tolerances and a reputation for durability and tool life.

With this chuck, you gain a stable, high-precision workholding solution that reduces setup time, minimizes runout, and supports consistent results across a wide range of projects. The included wrench and ready-to-use jaw set simplify changes between jobs, while the quality manufacturing behind every unit provides confidence that the tool will perform reliably for years in busy shop environments.