... and ISO 9001 approved Pipe threading machineDetailed Specification:ModelZ1T-B4-100A/Z3T-B4-100AMachining size1/2"-4"Dies(BSPT/NPT)1 ... -80,Z1T-B4-100, Z3T-B4-100,Z1T-B4-100A, Z3T-B4-100A,Z1T-B6-150, Z3T-B6-150.-More models we ... :Spare parts of threading machine: Pipe threading machine (Z1T-B4-100A)