| (Box Rail)Designed for use on doors weighing up to 450 lb. Can be used with many types of single and multiple brackets; screws for attaching rail are packed with brackets. Meets ANSI/BHMA A 156.14, Grade 1. Rail is carefully formed to give an even tread to hanger wheels. Rail can be ordered as "punched" for mounting directly to header when bracket mounting is not desired. When ordering punched rail, specify "punched for 3/8" bolt." All holes are punched on 2' centers unless otherwise specified. (Box Rail) |