Weldon adaptor chuck. Machine Side Connection: BT AD+B.Hardness: 58 HRC +/- 2.

Specifications:

• Tolerance: AT3.
• Bore tolerance: H5.
• Balancing: G 6.3 at 12000 rpm.
• Type of clamping tools: Weldon
• Cone Type Machine: BT
• Tool clamping size: 12mm
• Cone size machine: BT40
• Watering in the Centre: Yes