Auger Drill Bits | McMaster-Carr

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742 Products

Drill Bit Decimal Size Equivalents

About Drill Bits

Chip-Clearing Drill Bits

These jobbers'-length bits have the rigidity and length required for most applications.

Extended-Length Chip-Clearing Drill Bits

Chip-Clearing Cobalt Steel Drill Bits

The parabolic spiral flutes lift chips out of the hole, reducing clogging and improving coolant flow.

Chip-Clearing Carbide Drill Bits

The parabolic spiral flutes lift chips out of the hole, reducing clogging and improving coolant flow.

Round-Shank Masonry Drill Bits
for Tapping Screw Installation

Use these bits with handheld power drills, drill presses, and hammer drills.

Chip-Clearing Drill Bits for Wood

An open spiral-flute design clears chips quickly, so these bits can bore smooth, deep holes through construction lumber, railroad ties, and utility poles. Also known as pole or ship auger bits.

Cobalt Steel Drill Bits for Stainless Steel and Nickel

Cobalt steel bits are heat resistant and maintain their sharp edges when drilling hard material. They are for use in both hand-held drilling and machine-tool applications.

Flexible-Shaft Drill Bits for Wire Installation

The shaft is made of spring steel instead of hardened steel, so it flexes while drilling, allowing you to drill inside walls or between floors.

Chip-Clearing Drill Bit Sets

Designed to lift chips out of the hole, these bits reduce clogging and improve coolant flow.