Description: Mechanical thread rolling machine, Model TFM-3, is offered by Thread Form Machine Industries. Specifications: rolls open - 110 mm; rolls close - 95 mm; roll dia minimum - 95 mm; roll dia maximum -105 mm; bore dia - 50.4H7; minimum job dia - 2 mm; maximum job dia - 10 mm; maximum pitch - 1.5 mm; thread length maximum - 20 mm; centre height - 85 mm; main motor - 1 HP/0.75 kW; coolant motor - 0.12 HP; space requirement - 500 (L) x 500 mm (W); and weight - 200 kg.