Carmex Deep Reach Mill Thread Holder - For Carbide External/Internal Threading Inserts - SR0020C14-2SThe Carmex Deep Reach Mill Thread Holder SR0020C14 2S is a precision threading solution designed for CNC milling centers. Built to work with carbide external and internal threading inserts, it delivers reliable, highspeed performance for demanding threading tasks. Model compatibility: SR0020C14 2S designed to pair with two threading inserts for efficient twocut threading on CNC mills. Twoinsert design: Uses two indexable threading inserts to boost