2.3 roll thread rolling machine hydraulic thread rolling machine spline rolling machine
4.：The features of TB-30A thread rolling machine:
1.)TB-30A is specially designed for hollow parts,tubular processing,easy to operate.
2.)Three dies with equilateral triangle supports to ensure the roundness,vertical degree and concentricity.
3.)Thru feed and in-feed are both available.The spindle is controlled by frequency converter,the rotation speed can be adjusted as you want.
4.) With heating treatment for driving gear,lower noise and high durability
5.)Specially suitable for: connectors,auto fittings,oil tube joint,motor vehicle parts,knurling of bathroom handle,NPT/BSPT tube and so on.