... thread, textured, ruled, roll bars etc FR-10x30 3T CAM full tooth machine,steel bar thread rolling machine,steel pipe ... making machineModel: FR-10*30 3T CAM full tooth machineScrew diameter rolled: 2-6MMPitch range : 0 ... , textured, ruled, rolling light, cross knurling, roll bars, rolling groove, and roll-offQuality Process Certifications: ISO 9000-2001 Quality guarantee ...