GW40(strengthened) steel bar bending machine It can bend round steel diameter at 6-40mm into various shapes. Characteristics: design reasonable,easy to operation,safe reliable,performance stable ,it s fit for bridge, tunnel and big construction project. 1.Bending round steel diameter:6-40mm Grade thread screw steel diameter: 6-32mm 2 Working plate diameter spec:320mm 3 Main shaft speed:8-15r/min 4 Motor spec: power:3KW voltage:380V 5.Motor speed:1440t/min 6.Dimension:750*700*740mm 7.Net weight:240kg