... , ruled, roll bars etc FR-10x30 3T CAM full tooth machine,steel bar thread rolling machine,steel pipe making machineModel ... two applied.3, Adopt Taiwanese column injection pump and Hydraulic system accessories, electrical. Asphalt can be used long and no ... optional.7, rolling shape: rolling thread, textured, ruled, rolling light, cross knurling, roll bars, rolling groove, and roll-offQuality Process ...