High precision power chucks
Ø 140 - 315 mm
• Extra large through-hole
• 3 jaws

• For open center or partial open center clamping
  
• For machines with very large spindle bore
  
  
• BB-D: Master jaws with INCH serration
  (1/16" x 90°)
• BB-M: Master jaws with METRIC serration (1.5 mm x 60°) (Suitable for Japanese chucks top jaws)

• Gripping force transmission via wedge hook
• Case hardened body to assure greatest precision and long chuck life
• Extra large through-hole

• 3 jaw chuck
  
• 1 set T-nuts with bolts
• 1set soft top jaws
  
• Mounting bolts
  
• Grease gun

• 3 jaw chuck BB-D 175/A6 or
  
• 3 jaw chuck BB-M 250/Z220