This Counterbore Tool is specifically engineered to reduce downtime by providing fast set-up and ease of operation. Counterbore depth checks can be made using a dial indicator depth gauge while the Counterbore Tool is mounted on the block.

Applications:
DT / DTA 360 / 466, DT 466 / 530 (PLN), DT 466/ 530E, DT 466/ 570, HT 570

Please note when cutting #1 cylinder you must use ZTSE25141 Base Plate and Spacers. On the DT466 and 570 it will not be required to remove the front cover. Tool must be rotated to perform this function.