Three-jaw Lathe Chuck, Steel with Recessed Mount, DIN 702-4, Diameter: 315mm

Manual chucks with gear scroll, centrically clamping. Body made of cast iron or steel. Gear scroll drop-forged, balanced, and hardened. Flanks of scroll and of jaw serrations are ground. High concentricity, more precise than DIN 6386 requirement. Application: For machine spindles with recessed centering mount or for mounting using a flange. The chuck is secured from the rear by means of screws. The flange blanks must always be fitted first to the machine and then to the chuck. Standard: DIN 702-4. Supplied with: Includes: 1 set = 3 hardened inside jaws, stepped on the outside. 1 set = 3 hardened outside jaws, stepped on the inside. 1 clamping wrench and fastening screws or studs depending on the chuck. Optional extras: Spare and additional jaws No. 312971 312986. color code for accessories: HOLEX geared scroll chucks and jaws Aperture E: 103 mm Height without jaws H1: 97.2 mm Height with jaws H2: 140.2 mm centering Dia B: 260 mm centering depth C: 5 mm Weight: 50 kg