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					Originally Posted by  Charleston
					 
				 
				I think it depends on the plug. Countersunk (which is the wrong term). 
Spotfaced (which is the correct term) is OK if it's a close fit with the outside diameter of the gromet.  
I prefer to grometize and fit them to the radiius of the plug body.
 
FWIW, countersinking is what you do when you want the tappered head of a screw to be flush.    
			
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 I like Counterbored 

....But sometimes I spotface