The fastener includes:bolts,screws,studs,nuts,washers,pin.Some metal alloysitself hascorrosion resistance,thesurfacedamage,in the
surface of the metalto produce a thin layer ofoxide layer toprevent furthercorrosion.When the stainless
steelfasteneris
locked,the threadbetween
thepressureand the heatwould destroytheoxide
layer,themetalscrew threadocclusionor
shearing,thenadhesionphenomenon.When this phenomenonpersists,will make thestainless steel fastenerslocked,cannotremoveorcontinue tolockon.Usually thisa
series ofobstruction,shear,adhesion,lockinga
sequence of movementsoccuragainwithin a few seconds,soa correct understanding ofthe use ofthis type offasteners,to preventthis phenomenon.