drilling
Drilling orders are processed up to 5 holes simultaneously with available drill sizes of 1/8", 3/16", 1/4", 5/16", 3/8", and 1/2". Spacing of drill hole layouts should be kept to a minimum of 2" on centers.
Helpful drilling hints:
A drilling layout showing exact spacing and placement of holes on finished piece should or unquestionable instructions should be included with each job.