Layback or Hook

UT tolerance （ø0.3mm）: 0.005mm or less

Hole Qualities

Layback

A: Burr A rounded corner of the cutting edge makes a burr. *It has no serious effect on hole quality.

Hook

*It has no serious effect on hole quality

Countermeasure (Setting of drill point)

Reposition the indexing assembly to the table using the correct angle.