Stafford’s stainless steel shaft collars and couplings are offered with a standard bright finish or they can be supplied with a matte finish to match machinery and equipment design requirements. Manufactured from 303 or 316 grades, the collars come in sizes from 1/4 in. I.D. to 10 in. I.D. and the couplings in 1/4 in. I.D. to 3 in. I.D. with straight or stepped bores and keyways. One-and two-piece clamp-type and set-screw styles are available. Larger sizes, keyways, flats, hinges, threads, knurls and other characteristics are optional.