Entwodiksyon nan Fastener

Fastener yo se yon kalite pati mekanik yo itilize pou fikse ak koneksyon epi yo trè lajman itilize . Fastener yo lajman ki itilize nan endistri yo, ki gen ladan enèji, elektwonik, aparèy elektrik, machin, pwodwi chimik yo, metaliji, mwazi, exciences, machin yo,, elatriye, {1}. buildings, structures, tools, instruments, chemicals, instruments and supplies, etc. They are the most widely used mechanical basic parts. Its characteristics are a wide variety of varieties and specifications, different performances and uses, and a high℃of standardization, serialization and generalization. Therefore, some people call a type of fasteners with national standards standard fasteners, or simply pati estanda .