"This bit drilled 1800 holes in 1/4" steel non-stop. Still sharp and good as new. FYI we planed on using at least 12 bits on this project and used one and still good as new."
Referencing the gold series jobber drill bits
Dedicated Glass Works
I’m in a mechanical company that does a lot of insulation, and have my own crew. They are not always in well ventilated work areas and have fiberglass particles everywhere so they constantly are requiring...
