hexangular
1.Fix the Paper holder on the base with the M5 inner hexangular set screw.
2.E. Fix the beverage holder on the base with the M5 inner hexangular set screw.
3.Fix the bath towel wreath on the base with the M5 inner hexangular set screw.
4.Fix the tooth brush holder on the base with the M5 inner hexangular set screw.
5.Having analyzed the check result of the torsional moment on the scene of the big hexangular high-stength bolts conjuncted in the service based on the engineering example, the paper gives two reseans about the lose of pretension the earlier checking of the moment and the inaccurate maintenance method.
