•Comes in Ø 3.0 to 6.0 in diameter and a Drill + Stopper set•Recommended drilling speed : 300 ~ 600rpm•Use of drill and stopper : 50 times??Before initial drilling, connect the stopper to the first...
•Comes in Ø 3.0 to 6.0 in diameter and a Drill + Stopper set•Recommended drilling speed : 300 ~ 600rpm•Use of drill and stopper : 50 times??Before initial drilling, connect the stopper to the first...