... 6MM Length(in-feed) : 50-120mm FR-100*100-10 Hydraulic Automatic Rebar thread rolling machineHydraulic rolling machine Use for metal pipe ... thread, textured, ruled, rolling light, cross knurling, roll bars, rolling groove, and roll-offQuality Process Certifications: ISO 9000-2001 Quality guarantee ... to implement except the arbitration part. FR-100*100-10 Hydraulic Automatic Rebar thread rolling machine