BISON-BIAL’s two, three and four jaw power chucks with or without through holes are made from high quality forged alloy steel. The fundamental advantages of these power chucks are: high load carrying capacity, durability, high gripping accuracy, and repeatability. All BISON-BIAL Power Chuck bodies are carbonized and hardened to 60 HRC.
All bodies and relevant working parts are finely ground, enabling the final product to be precise with excellent mechanical properties. The result is a rugged chuck that meets the highest sliding, stability and durability parameters.