Profile: Tri-Tube, Inc. manufactures custom machinery. We produce tube fabricator machined plate stock, precious metal tubing, nylon tubing, shim stock, machined raw stock, machined bar stock, magnesium tubing, tin tubing, brass tubing, lead tubing and steel tubing. We provide metal heat treating services. We provide cutting, deburring, end forming, bending, punching, roll grooving, assembly, spot & projection welding and brazing services.