• Fastener friction coefficient testing machine

    The new generation ETT-B series fastener friction coefficient testing machine is used for the total torque, end torque, thread torque, total friction coefficient, end friction coefficient, thread friction coefficient test,It can automatically measure the mechanical properties of bolts and nuts such as fastening torque, thread torque, supporting surface torque, fastening shaft force, torque coefficient K, total friction coefficient μtot, thread friction coefficient μth, and supporting surface friction coefficient μb。

  • Fastener friction coefficient testing machine

    ETT-B series fastener friction coefficient tester is a new generation of bolt and nut friction coefficient test system independently developed by Wanwei,It is used to test the total torque, end torque, thread torque, total friction coefficient, end friction coefficient and thread friction coefficient of bolts and nuts,Can meet the threaded fastener fastening general rules, fastener torque - clamping force test and other standards related provisions,And can automatically measure the fastening torque, thread torque, bearing surface torque, fastening shaft force, torque coefficient K, total friction coefficient μtot, thread friction coefficient μth, bearing surface friction coefficient μb and other bolt and nut mechanical properties。

  • Fastener tensile and torsion testing machine

    The patented ETT-C series fastener tension and torsion testing machine is used for self-locking nut conventional locking moment test, moment loading test, axial force loading test and high locking nut locking moment test, loosening moment test, screwing moment test, pre-tightening moment test and loosening moment test。

  • Transverse vibration testing machine for fasteners

    The fastener transverse vibration testing machine is a new generation of bolt and nut transverse vibration testing equipment independently developed by our company,It is used to test the locking performance of screw pairs composed of bolts and nuts,Can automatically measure fastening torque, fastening shaft force, torque coefficient K,Total friction coefficient, lateral thrust, lateral amplitude, vibration frequency, vibration period, time, loosening Angle and other mechanical properties of bolts and nuts。