Originally Posted by
sabotloader
I agree, only a FOOL would use the Abrasive portion inside a Flash Hole, I only use the Tip of these which is NON Abrasive. And with the Tiny Drill Bit Set, Notice i say the “Shank” end? This is Due to that portion being NON Abrasive. No doubt a set of Precision Pin Gauges would be a better choice, But FACT is the method i do above works VERY well
