2 1/2"-4 Heavy Nylon Insert Locknut, Grade A, Zinc

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The 2 1/2"-4 Heavy Nylon Insert Locknuts are high-strength, durable nuts for heavy-duty applications. The heavy design provides greater thread engagement and therefore, strength. As a type of locking nut, they feature a nylon ring that grips the bolt threads, resisting loosening from vibration and ensuring a secure hold. Manufactured to grade A standards, these heavy locknuts provide reliable performance with zinc plating for corrosion resistance.