Drilling countersinks with these bits on the CNC machine is a great way to save time and have your pieces look great every time!
Many of Amana Tool's 5/16" and 3/8" round shank countersinks can also be used in your CNC machine. View our selection of CNC Countersinks.

We offer carbide tipped countersinks for wood screws, countersinks with hex shank, countersink & plug sets and more!

For use in handheld drill, drill press & CNC machine when used with CNC Spring Collet.