3/8-16 Black Nylon Insert Lock Nut 304(18-8) Stainless Steel Nuts or cap nuts

or cap nuts

and screws

These general-use flat washers are placed under the head of a bolt or nut to create a smooth bearing surface and distribute the load over a wider area

ensuring a secure fit

They are commonly used in heavy-duty applications

3/8-16 Black Nylon Insert Lock Nut 304(18-8) Stainless Steel Nuts or cap nutsNylon insert lock nuts are designed with a nylon insert that grips the threads of the bolt, preventing loosening due to vibration. This feature makes them ideal for applications requiring a secure, reliable connection. They are commonly used in various industries, including automotive and machinery, to enhance stability.