Made from 1095 steel and color coded with red ends. Tough hardening quality affords optimum response to heat treatment and provides toughness and maximum wear resistance in service. High carbon content allows it to be used without heat treatment for many maintenance applications. Fine grained, electric furnace melt, commercial grade tool steel. Most popular, versatile, and least expensive type. Precision Brand® Drill Rod rounds are made of annealed, ground, and polished, general purpose tool steel. They are used for punches, tools and dies, drills, taps, arbors, roller bearings, dowel pins, and a variety of machine parts where high strength and long life are required. Excellent finish, strength, and machineability make drill rod ideally suited for power drive shafts and applications where accuracy and straightness are required.