Omega Products HSK63A Tapping Chuck - MLC ER Synchro - M6 - M33 Capacity - ER40 Collet NutHSK63A Tapping Chucks with MLC ER Synchro technology. These chucks are designed to provide high precision and accuracy during tapping operations, ensuring optimal performance in high speed machining applications. The HSK63A Tapping Chucks feature a high quality MLC ER Synchro collet system that ensures excellent tool clamping and stability. The collets can be easily changed, providing a flexible and efficient solution for different tapping