McMaster-Carr listes sex bolts in dull chrome, dull brass, dark bronze and = SS in 5/16" through =BD", in lengths from 1 3/16" to 2 1/6" for use on = mounting door hardware. p. 2422 of their catalog 102. They list binding screws in plastic or aluminum in much smaller sizes. phone 908 (may now be 732) 329-3200 FAX 908 (?) 329-3772