11. When drilling holes larger than 1/2 inch, drilling a smaller hole first is a good practice. This is called a pilot hole, and the pilot drill should have a diameter __________.

Question

Accepted Answer

slightly larger than the web thickness of the larger drill

11. When drilling holes larger than 1/2 inch, drilling a smaller hole first is a good practice. This is called a pilot hole, and the pilot drill should have a diameter __________.

Comments (0)

Trial period expired