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ELITE SERIES™ 3/8" X 18" BI-metal Auger Bits

A DEWALT branded long black auger drill bit, shown vertically on a white background. The bit has a spiral design and a hex shank.

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Cleanly bore deep holes with DEWALT® ELITE SERIES™ BI-metal auger bits. Engineered for extreme durability in nail-embedded wood, select sizes of these durable steel bits deliver up to 3x life vs. Diablo augers*. Optimized flute geometry allows for fast chip ejection while the aggressive screw tip offers smooth drilling.

  • Select Sizes Up to 3x Life Vs. Diablo Augers* - Combat the effects of repeated nail strikes with a BI-metal construction.
  • Fast Drilling - Easily drill holes with an aggressive screw tip that quickly pulls the bit through tough materials.
  • Fast Chip Ejection - Maximize productivity with optimized flute geometry.
  • Resharpenable Cutting Edge - High-speed steel cutting edge provides long bit life.
  • Convenient Bit Changes - Change bits fast with a quick change hex shank.
  • Built to Last - Part of the DEWALT® ELITE SERIES™ lineup of accessories designed to maximize performance in demanding applications.

Product Type
Auger Drill Bit

  • (1) DEWALT ELITE SERIES™ Bi-Metal Auger Bits

  • No Warranty

We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant industry regulations.

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Six long DEWALT auger drill bits are arranged side by side on stacked wooden planks in a construction site with wooden framing visible in the background.

Extreme durability in nail-embedded wood

A person wearing a DEWALT knee pad is using a DEWALT power drill with a large auger bit to drill through a wooden beam in a construction site with unfinished framing.

Easily drill holes with an aggressive screw tip

A workshop scene showing various DEWALT branded power tool accessories and cutting discs displayed on a metal workbench, surrounded by pieces of metal piping and beams. In the background, a person wearing protective gear is using a power tool that produces bright sparks.

BUILT TO LAST™

Our best performing line of accessories**

Only products proven tough enough to outperform the competition have earned the right to be called DEWALT ELITE SERIES™. Engineered for high performance and challenging conditions, DEWALT ELITE SERIES™ delivers outstanding results for the trades.

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**Based on either product design or specified product application with respect to number of holes, number of cuts, amount of material removed or magnetic strength.