Chuck Holder ER Extension Rod Collet CNC Milling C10 C12 C16 C20 C25 100L 150L
ER Extension Rod C10 C12 C16 C20 C25 C32 ER11 ER16 ER20 ER25 ER32 100L 150L Collet Chuck Holder CNC Milling Lengthen Tools. CNC milling machines. Suitable for standard BT40 and SK40 tool holder systems used in CNC machining centers.