Serrated Whiz Lock Nut, Hillman, Stainless Steel, 3/8 in x 16

Whiz lock nuts, also known as serrated flange lock nuts, are ideal for applications in which a vibration or torque-resistant fastener is desired. Serrated whiz nuts come with a grooved underside that provides a reliable hold.

• Simple, quick installation
• Whiz lock nuts offer resistance to loosening by vibration or torque
• Made from high-strength steel
• Stainless steel finish for improved corrosion resistance