1/4"-20 Body Clips are a great way to fasten on panels.
The can move around a little to make alignment and starting a bolt east, but hold tight once tightened.
Commonly used in conjunction with body bolts to fasten doors and quarter panels, nose...
Serrated Nuts Bag of 100
Works Great, no wrench required
If you can hold them with your finger once the nut started to get tight, the serrated flange washer digs in and allows you to tighten without a wrench
1/4-20 Threaded Insert.
Splined Body, Flat Head, Steel Zinc Plate and Yellow Dichromate
Total grip .260"
Comes in a bag of one hundred.