What is the installation size of the tool holder nut on HTC CNC tool holder?

The mounting dimension of the tool holder nut on HTC CNC tool holder is m8× 12. According to the information of HTC CNC official website, the mounting size of the tool holder nut on HTC CNC tool holder is m8× 12. Hongda CNC tool rest is the equipment produced by Hongda CNC Machinery Co., Ltd. The mounting size of tool rest nut on HTC CNC tool rest is m8× 12.