SG Shear Wrench Co.,Ltd-designer,manufacture and worldwide supplier of the most efficient Bolting install System.SG is the most professional Shear Wrench supplier in China.Using our years of experience in bolt fastening,our Shear Wrench that meets the high standards of the structural fastening.Our line of tools include Electric Shear Wrench for TC Bolts,and our electric torque control wrenches for structure hex bolt tightening,Manual Shear Wrench,Manual Torque Wrench,and Button Bit for Mining area,Tapered Drill Bit,all spare parts for all the wrenches.Electric Shear Wrench are used in a wide range of applications from bridge splice plates to beam-to-column connections,from stadia roof trusses to rail switches and crossings.