DaduoRi 3-1/2" Core Drill Bit with Pilot Bit & Adapters(SDS Plus and 1/2" Hex), 5/8"-11 Thread, 9.5" Depth, Upgraded-Welded Segments Diamond Core Bits for Concrete, Masonry, Brick Block — Open-Box, 7% Off

Name: DaduoRi 3-1/2" Core Drill Bit with Pilot Bit & Adapters(SDS Plus and 1/2" Hex), 5/8"-11 Thread, 9.5" Depth, Upgraded-Welded Segments Diamond Core Bits for Concrete, Masonry, Brick Block
Brand: DaduoRi
SKU: awhd-us-b0g5ggpbxj
Price: 59.59 USD
Availability: InStock

Brand: DaduoRi

Condition: Used - VeryGood

$59⁵⁹

$63⁹⁹

-7% Save $4⁴⁰

Updated: 2 days ago

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Description

Complete Package - Includes 1 pilot bit, 1 drift key, 2 x 5/8"-11 thread adapters ( SDS Plus & 1/2" hex shank), 3 dust collection bags (keep your workspace clean), a user manual, and a dry core drill bit (3 1/2" diameter, 5/8"-11 thread, max working depth: 9.5")

Precision Design & Quick Positioning - Comes with a guiding pilot bit, The sharp pilot tip penetrates surfaces fast for more accurate positioning. Designed with a precise length,this center drill bit helps you position rapidly.After positioning, Use the drift key to remove the pilot bit, then continue to drill

Advanced Cutting Segment Formula - Featuring a newly cutting segment, this core drill bit drills efficiently through light concrete, masonry, brick wall, mortar, cinder block. Concrete foundation is not suitable, We recommend use our pro wet core drill bit, find it in DaduoRi store

Upgraded Segments Welding - Reinforced construction minimizes tooth breakage (ROTATION mode only). Our core bits are engineered to simplify drilling tasks for both professionals and DIYers

Engineered for stability and smooth work. The balanced core drill body minimises vibration for cleaner cuts, making it suitable for creating neat openings for ventilation ducts, extractor fans, and pipework. For best results and extended diamond core bit life, use with water for cooling when drilling

DaduoRi Core Drill Bit with Adapter Kit:A professional set designed for efficient and precise drilling on masonry, brick, stucco, concrete and low to medium reinforced structures. Package Includes: 1 dry core drill bit (3 1/2 inch outer diameter); 1 pilot bit; 3 dust collection bags ; 1 drift key + 2 adapters (5/8"-11 thread to SDS Plus & 1/2 inch hex shank); 1 user manual. Core Features: New cutting segments for enhanced life (rotation mode only); Specifications: Core drill bit with 9.5 inch drilling depth and 5/8"-11 thread connection Compatible Tools: Rotary hammer drills (rotation mode only); Standard drills with 1/6 inch chuck Cooling Method: Continuous water feed is recommended

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Product Details

SKU:: awhd-us-b0g5ggpbxj
Model:: 3 1/2" Dry Core Bits with Pilot Bit
Country:: US
ASIN:: B0G5GGPBXJ

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $4 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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