PORTLAND, Ore.--(BUSINESS WIRE)--Portland Bolt & Manufacturing Co., LLC (Portland Bolt), a leading domestic manufacturer and global provider of anchor bolts, structural bolts, direct tension indicating (DTI) washers, and nonstandard construction fasteners, today announced it has acquired Threadline Products, Inc. (Threadline), a Charlotte, North Carolina-based manufacturer of custom anchor bolts, threaded rod, and fabricated structural steel products.
Founded in 1984 and located in Charlotte, North Carolina, Threadline has built a strong

















