Omega Products BT40 Power Milling Chuck - SC32 - 12,000 RPM - G6.3 - 105mm Gauge LengthBT40 Power Milling Chucks are designed to deliver reliable and efficient performance in milling operations. With a maximum speed rating of 12,000 RPM, these chucks can handle a wide range of machining tasks with precision and accuracy. The G6. 3 precision rating ensures minimal runout and precise tool positioning, resulting in superior surface finish and dimensional accuracy of machined parts. These chucks are built with robust materials and a sturdy