We’ve relied on Regal for more than a decade. Their ability to dispatch custom-sized taps in a single day is impressive, and we have encountered no problems with the tools they provide. Their customer service is outstanding. In my opinion, they are the premier tap manufacturer in the United States.

When Do I Need To Countersink or Counterbore A Hole and Which Should I Use?
Don’t split your surface! Here’s all you need to know to countersink (or counterbore) before you screw it up.