Cast Iron 4 Jaw Plain Back Chuck: Type 4304
Plain back with adaptor recess. Front mounted. Independently adjustable jaws. This allows firm gripping of irregular shaped work and the four jaws allow a square component to be perfectly centred to the chuck while achieving maximum gripping force. The chuck bodies are made of steel (sizes 85 - 160mm) or high quality cast iron (sizes 200 - 800mm). The jaws are made of high quality carbon steel and hardened. Thrust bearings and operating screws are made of case hardened steel. Supplied with reversible solid jaws, internal and external stepped. With ­T-Slots. DIN 6351.