Deck Cover Guard Knobs

[FarmerCharlie]

My Gizmow mower has deck spindle covers held in place by four knobs with 3/8 threads. They tend to vibrate loose, and today when I looked, I only had one left in place.
I remember once before I ordered some spares from a general farm supply catalog, but can't remember where.
This image shows the top and bottom views. Any ideas?


Thanks,
Charles

 

[mowerman05]

Some of your larger hardware stores carry these, also known as furniture knobs. Good luck

 

[MBDiagMan]

Woodworkers supply houses also have them. Make sure you use some lockwashers when you put it back together.

 

[Carscw]

Napa will have the right ones that will not come loose

 

[exotion]

Ya they make nyloc ones they are expensive and sometime require channel locks to put on and take off but they don't move