(Based on Polyethylene Buckets)
Same hole diamter, centers, and number of holes in body as mounting holes in back.
One row of 9/32" or 11/32" holes in body on 1-1/8" centers.
Two rows of 9/32" or 11/32" holes in body on 1-1/8" centers.
Two rows of 9/32" or 11/32" hoes in body on 1-1/8" centers, three holes each end.