Kazzari Seal Kazzari seal: This is a forced seal, which has three forms: externally threaded interna... read more
When we use a fastener, we don't want it to fall off. Unless we choose to use a lock nut, shedding w... read more
One. Add flat washer The washer refers to the part that is cushioned between the connected piece and... read more
The working principle of the nut is self-locking by the friction between the nut and the bolt. Howev... read more
The development trend of high performance and light weight of automobiles puts forward higher requir... read more
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