And it is easy to categorize, so that the lock nut will not be lost or mixed up during use. Quantity: 205pcs. Fastener Type：Lock. Type: Hex Nuts. 【Nylon Insert Lock Nuts】Locknuts embedded with nylon inserts, so that it and the bolt threads to form a close fit, and in the role of the elasticity of the nylon friction resistance, in order to achieve the purpose of anti-loosening.
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