Portland Bolt, established in 1912, is a manufacturer of nonstandard anchor bolts and construction fasteners from 1/2" diameter through 6" diameter. Additionally, we stock a complete line of anchor bolts, headed bolts, nuts, washers, and construction fasteners both black and galvanized, domestic and import, which are available for immediate shipment. Our customers consists of companies in a variety of construction related industries, original equipment manufacturers, and the general public.