Mar-K's directions for installing bed hardware call for a 1 9/16" Forstner bit to drill the holes for the mounting offset washers. I can't locate such an item around here. Sears, Lowes, Home Depot all carry 1 1/2" bits and 1 5/8" bits, but no 1 9/16" bits.
Will a 1 1/2" bit do the job?