Somewhere I have a set of small chrome vanadium drill bits I purchased at K Mart about forty years ago. They were inexpensive and designed for occasional wood use. They were a lower cost option than high speed steel.
This week I purchased a set of Irwin "black anodized" bits. They are supposedly good for "thin" metal. I doubt they are high speed steel. They should suffice for my intended use of predrilling wood and drywall for screws.
Ken
This week I purchased a set of Irwin "black anodized" bits. They are supposedly good for "thin" metal. I doubt they are high speed steel. They should suffice for my intended use of predrilling wood and drywall for screws.
Ken