To resist damage when cutting steel, these counterbores are C5 carbide-tipped alloy steel.

C2 carbide-tipped alloy steel has excellent performance on abrasive materials such as cast iron and nonferrous metals.

For general purpose applications.

For excellent performance on abrasive materials such as cast iron and nonferrous metals, these counterbores are C2 carbide-tipped alloy steel.

Counterbore multiple diameters with the same tool—use the set screw to adjust the blades to the diameter you need.

If limited space makes it difficult to counterbore your hole, access it from the other side with one of these tools.

Drill and counterbore holes with enough clearance for socket head screws without changing tools.

Also known as multi-spur counterbores, these have two set screws to secure them to a woodworking drill bit.