A Bolt Lock Nut 19 No. 4.5" is a sturdy fastener designed to secure bolts and prevent them from loosening due to vibration or movement. It has a thread size of 19 No. and is suitable for 4.5-inch bolts. These lock nuts are commonly used in heavy machinery, agricultural tools, vehicles, and construction projects. Featuring either a nylon insert (nyloc) or a deformed thread design, they create additional friction, ensuring a firm and stable connection under pressure.
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