Technical Parameters Model: DGS-40Z tapping machine Thread Length: 40-120MM rebar coupler Thread Pitch: 1.75,2.0,2.5,3.0,3.5,4.0,4.5MM Rebar Diameter: 12-50MM rebar coupler Thread Angle: 60/75,Customized Spindle Speed:220r/min 250r/min 280r/min 320r/min Meterial available: 45C/40Cr Thread Type: Parallel thread(flat) Motor Power: 4KW 1440r/min Voltage: 3-380V 50HZ Color: Grey tapping machine Output: 7~8 pcs/min Dimension: 1200*1500*2500mm (47.24*59.06*98.43in) Net Weight: 1025KG(36155.8oz) Certification: ISO9001:2008 Package: Wooden Case, Iron Frame Delivery time: 20 days for OEM, 10-15 days for ready goods Function: Countersink( making parallel threads on steel tube) Rebar coupler types: 1 Standard type 2 Position coupler(left-right handed thread) 3 Transition coupler(different diameter) 1 Easy installation, operation and maintenance 2 Reasonable structure, reliable performance 3 High production efficiency, no need for skilled technicians 4 Full-tension splice, bar break under tensile tests, 5 Processed thread is more precise with small conical degree and smooth surface 6 High strength: tensile test more than 980 MPA, can reach 110% of yield strength of parent rebar 7 Designed and manufactured in compliance with ISO9001:2008 8 Design service, OEM service and buyer label offered