4-1/2" Pro Dry Core Drill Bit with Pilot Bit & 3 Adapters (SDS Plus/SDS Max/1/2 Hex), Upgraded-Welded Core Bits for Concrete with Rebar, Masonry, Brick, Mortar - 9.5" Depth, 5/8"-11 Thread

Description

Features:

• Complete Core Drill Set Includes 1 dry core drill bit (OD:4 1/2 inch), 1 pilot bit, 1 drift key and 3 adapters (5/8"-11 male thread to SDS Max/Plus & 1/2" Hex) for compatibility with most standard drills and hammer drills. (For best results, use included adapters with guiding bitcompatibility with other brands may vary. See the user manual)
• Precision Design & Instant Positioning - No need pre-drilling guide bit by DaduoRi designed, enabling seamless start-to-finish operation without mode switching. The sharp pilot tip instantly penetrates surfaces for faster, more accurate positioning. Important: Remove center bit after positioning
• Improved Cutting Segment Formula Features a newly cutting segment with higher durability, this core drill bit with pilot bit effectively drills through low to medium-reinforced concrete. (Tested on 8" thick concrete with 12mm rebar 8-10 holes per bit.)
• Upgraded-Welded Segments - Reinforced construction minimizes tooth breakage (ROTATION mode only). DaduoRi's coring bits alaways design to simplify drilling tasks for both professionals and DIYers
• Compatible Materials: This concrete core bit drills efficiently through brick, mortar, cinder block, and low to medium-reinforced concrete with rebar, making it suitable for HVAC, plumbing work

Product Details:

• Material: Diamond
• Cutting Diameter: 4.5 Inches
• Brand: DaduoRi
• Tool Flute Type: Straight
• Unit Count: 6.0 Count
• Package Dimensions ‏ : ‎ 12.9 x 5 x 5 inches; 6.1 Pounds
• Item model number ‏ : ‎ 4 1/2" Core Bit with Pilot Bit Adapter
• Date First Available ‏ : ‎ April 23, 2025
• Manufacturer ‏ : ‎ DaduoRi Tool
• Best Sellers Rank: #29,444 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #12 in Core Drill Bits
• #12 in Core Drill Bits
• Customer Reviews: 4.0 4.0 out of 5 stars 26 ratings

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  Shipping

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  • A shipping notification will be emailed to you once your order has been shipped.
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  Payment

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  Return

  • We stand behind our products. Items can be returned for exchange or full refund within 30 days from the date you receive your merchandise.
  • Return shipping is the responsibility of buyer unless the return is a result of our mistake (i.e., your receive the wrong item). We will pay for shipping replacement back to you if an exchange of the same product is requested.

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  Contact us

  If you have any questions please contact us. We respond within 1 business day or less.