Hole Diameter Required

1/2 in (12.7 mm)
1/2" (12 mm)
1/4" to 1/2" (6 to 12 mm)
3/4" (19 mm)
3/8 or 1/2 in (10 or 12 mm)
5/16" to 1/2" (8 to 12 mm)
5/8" (16 mm)
5/8" or 3/4" (16 or 19 mm)
Two 5/8" or 3/4"