Best Steel Counterbore Sets

Best used in a drill press, these counterbores work well with standard-sized screws and allen-head cap screws.

7-piece high-speed steel, solid capscrew counterbore set. 3 flute, straight shank. Straight shank item. Bits are sharp and effective.

7-Piece HSS Counterbore Set Size

Pilots are not removable or interchangeable.

Best Bang for the Buck

ProlineMax

This 7-piece counterbore set gives you great cutting resistance. Good chip flow helps you get the job done faster.

7-piece high speed steel cobalt counterbore set. Used for expanding general rough hole, or for hole processing for bolts. 3 lips for regrinding create a smooth chip flow and powerful cutting resistance.

21-Piece HSS Interchangeable Pilot Counterbore Set

Pilot portions of each bit are not removable or interchangeable.

HHIP

This set's interchangeable pilot gives you versatility that fixed sets do not. They work great with either wood or metal.

21-piece, high speed steel, interchangeable pilot counterbore set. Includes 14 pilots with a 5/32-inch shank. Also includes 6 counterbores. One holder with a 3/8-inch shank.

Accusize Industrial Tools

Not very precisely machined. Pilot shanks are a loose fit.

7-Piece Premium Metric HSS Solid Capscrew Counterbore Set

A quality counterbore set from a name you trust, with metric measurements.

7-piece, high speed steel metric capscrew counterbore set. 3 flute straight shank. Includes M3, M4, M5, M6, M8, M10, M12. Bright Finished. Makes clean holes, even in metal.

Accusize Industrial Tools

Case may break easily.

7-Piece Premium HSS Solid Capscrew Counterbore Set

Premium steel and a more solid box take this counterbore set to the next level.

7-piece, premium quality high speed steel set. 3 flute, straight shank. Good quality for the money.