BJS Engineers supplies Automatic Threading Machine with Rotary Cutter. BJS Engineers is an ISO 9001: 2000 recognised company manufacturing a wide range of plastic processing machineries and critical spares. The Automatic Threading Machine with Rotary Cutter is designed for cutting internal and external threads or uPVC pipes of diameter ranging from 100 mm to 400 mm. The Automatic Threading Machine is based on PLC and MMI control and available with a separate A.C. Motor for rotary movement of the cutting head.