Diamond Core Drill Bit 2-3/4"(70mm) with SDS Plus Adapter Heavy Duty Concrete Core Bit for Dry or Wet Drilling, Compatible with Hollow & Solid Brick, Masonry, Stone, Granite, and Block — Open-Box, 36% Off

【Upgraded Diamond Core Drill Bit】 The diamond head is upgraded for higher hardness and longer life. Paired with an SDS-Plus adapter, it delivers fast, accurate drilling in tough materials like concrete, solid brick, hollow brick, sand-lime brick, and natural stone.

【Premium Tungsten Carbide Construction】 Made from high-grade tungsten steel and carbide, this hole saw offers exceptional tensile strength, extreme hardness, and outstanding wear resistance. It stays sharp job after job and resists corrosion – even in harsh or aggressive environments.

【Dry or Wet – Versatile Application】 Use wet for concrete, reinforced concrete, and old or washed concrete. Use dry for masonry, brick, sand-lime brick, and screed. Compatible with high-performance hand drills, so you can tackle a wide range of jobsite conditions.

【Low-Dust Dry Drilling & Extended Life】 This hole saw delivers clean, precise cuts even without water – perfect for low-dust dry drilling in masonry and other hard materials. For maximum service life and faster cutting, we recommend using water when possible.

【Quality Customer Service】 Your satisfaction is our priority. If you have any questions or run into any issues with your drill bit, just reach out. We’re here to help and stand behind our product.

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