motobilt
"I Build Stuff"
Ovaled Out Track Bar holes or link mount holes or maybe you just need to beef up a mounting surface. Motobilt has 3/16" weld washers in all the common sizes. Even 14mm for the JK guys.
https://www.motobilt.com/tear-drop-weld-washer.html
https://www.motobilt.com/tear-drop-weld-washer.html