This Tester is suitable for inspecting and analyzing bolt side performance.The tester consists of main engine,high-precisio load cell,grip special for bolt,high-precision load cell and digital display instrument,etc.The pulley installed on the main engine may be freely slid on the seat guide for gripping the bolt.By using torque wrench on nut,the load cell transmits signal inspected(axial force)to digital display intrument,which will measure,display,storeand print force calve.