A full line of shaft collars and rigid shaft couplings that come in a wide variety of configurations for conveyor drive and roller system applications is available from Stafford Manufacturing Corp. of Wilmington, Massachusetts. Stafford conveyor shaft collars & couplings are available with smooth, hex and square bores for use with various types of drive and roller systems and come in standard 1/2” to 6” diagonal I.D. sizes.  Manufactured from aluminum, steel, stainless steel and plastics, in one- and two-piece clamp types and in set-screw styles, they are supplied off-the-shelf or can be custom made.  Suitable for virtually all conveyor system requirements, Stafford Conveyor shaft collars & couplings can be modified to customer specifications with threaded and keyed bores and other special features.  Hinged shaft collars are also offered and rigid couplings also come in three-piece styles, with stepped bores, and in dual-keyed designs for mating unsupported shafts.