Combined Counterbores and Drills | McMaster-Carr

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89 Products

About Counterbores

Create flat-bottomed holes, so your screw heads sit flush, recessed, or slightly raised.

Counterbores

Drill-Point Counterbores

Drill-Point Counterbores

Create a counterbored pilot hole without switching to a drill bit

Drill-Point Counterbore Sets

Drill-Point Counterbore Sets

Quickly create counterbored pilot holes for a range of screw sizes

Drill-Bit Counterbores for Wood

Drill-Bit Counterbores for Wood

Drill and counterbore holes of different depths without changing tools

Drill-Bit Counterbore Sets for Wood

Drill-Bit Counterbore Sets for Wood

Mix and match counterbores and drill bits to match a range of screw sizes

Quick-Change Hex Drill-Bit Counterbores for Wood

Quick-Change Hex Drill-Bit Counterbores for Wood

Pop into a hand-driven tool to drill and counterbore a hole in a single step

Fast-Cutting Smooth-Finish Drill-Bit Counterbores for Wood

Fast-Cutting Smooth-Finish Drill-Bit Counterbores for Wood

Thin cutting edges reduce surface contact to make smooth cuts at high speeds

Other Products

Counterbore Drill Bits

Counterbore Drill Bits

A single bit drills and creates a flat surface for the head of a socket head cap screw

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)