... shape: rolling thread, textured, ruled, roll bars etc Hydraulic rolling machine Use for metal pipe thread rolling dual- ... parameters: FR-100x100 steel bar thread Rolling Machine, steel pipe making machine,Nut formerRolling the largest diameter: 100MM Rolling ... textured, ruled, rolling light, cross knurling, roll bars, rolling groove, and roll-offQuality Process Certifications: ISO 9000-2001 Quality ...