
USER GUIDE Drill diameter is adjusted with an adjust ball for diameter ø25 - ø39.99mm with the following method. DEEP HOLE DRILLING 1. Slide the dimensional guide pad forward and then retighten the lock screw at the measuring position. Dimensional guide pad Head body Adjust ball Insert 2. Tighten the adjust screw. Adjust screw Wrench Drill Dia. øDc 3. As the adjust screw moves forward, insert moves peripheral direction. 4. Measure the diameter with a micrometer. If the diameter is larger than expected, loosen the adjust screw and insert screw, then retighen the insert screw. Repeat the procedure from step 2 Drill Dia. øDc 633 633