Bolt-Pipe Threading Die Head Machine is suitable for threading process on steel pipes, PVC pipes, steel bars, bolts, scaffolding screw jacks, nipples etc. The Machine comes mounted with collapsible die head. The Machine is made using high grade steel to ensure durability of use for a long trouble free service life. The Bolt-Pipe Threading Die Head Machine is available in various models and capacities of 1/4" to 1", 3/8" to 1 1/2", 1/2" to 2.1/2" and 1" to 4".