Jam nut - Wikipedia

The ultimate guide to headsets - BikeRadar

How to Use a Torque Wrench: Settings, Maintenance, & More

Doughnut - Wikipedia

Nut roll - Wikipedia

Locknut - Wikipedia

Washer (hardware) - Wikipedia

What is Lock Nut: Explaining Its Types And Importance

Nut (hardware) - Wikipedia

Princess Peach - Super Mario Wiki, the Mario encyclopedia