Acorn Nut, Hillman, #4-40

Hillman 59431 Acorn Nut, Coarse Thread, #4-40 Thread, Nylon Wing nuts can be used where frequent connection adjustments or removals are needed and can be made quickly and often. Acorn nuts have a dome top and when threaded on a fastener, hides the threads and provides a finished look.

• Acorn/cap nuts protect against injury by covering exposed thread
• Made of high-strength nylon
• Corrosion-resistant