Ckb4 Ultra Long Heavy Boring Shank Bt40 Cnc Milling Machine Tool H

Standard CKB4 connection interface, quick assembly & disassembly with CKB4 large-size fine boring head. BT40-CKB4-155 CKB4 Fine Boring Tool Holder. This BT40-CKB4-155 ultra-long heavy-duty boring shank is exclusively matched with CKB4 series large-aperture micro fine boring heads, fully compatible with all BT40 spindle CNC machining centers and vertical milling machines.