SIM Supply, Inc.

The Do it Best Aircraft Length Black Oxide Drill Bits are designed for deep hole drilling and extra reach, perfect for tough materials like metal, wood, fiberglass, and stainless steel. With a...

Tempered steel shank extends 1/4" drill shanks for deep holes and hard-to-reach areas. Fits any drill. Double set screw with hex wrench included. Carded.

For rotary drilling in concrete, brick, and masonry. Fast spiral, double flutes quickly clear material from hole to grind masonry down as a user cuts through it.. Zinc finish. High quality bit for...

The Do it Black Oxide Drill Bit is precision-ground from high-speed steel and designed for durability across a wide range of applications. Its 135-degree split point prevents walking ensuring...

Heavy-duty drill bits. Black oxide-coated to improve drilling efficiency and reduce heat and build-up. For drilling through metal, wood, fiberglass, stainless steel.

Do it Best Titanium Drill Bit offers up to 3x longer life over black oxide with a titanium coating that reduces heat build-up and keeps the bits sharper. Designed with a 135-degree split point tip...