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1-1/4 High Speed Wet Diamond Core Bit for Concrete, 5/8-11 Arbor | Fast drilling, medium PSI concrete and hard masonry. 14 drilling depth. Wet only, diamond hole saw
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1-1/4 High Speed Wet Diamond Core Bit for Concrete, 5/8-11 Arbor | Fast drilling, medium PSI concrete and hard masonry. 14 drilling depth. Wet only, diamond hole saw
Designed for drilling hard concrete, hard brick, and other hard masonry with ease.
1-1/4" High Speed Wet Diamond Core Bit for Concrete, 5/8"-11 Arbor | Fast drilling, medium PSI concrete and hard masonry. 14" drilling depth. Wet only, diamond hole saw
Item #: 40285350

1-1/4" High Speed Wet Diamond Core Bit for Concrete, 5/8"-11 Arbor | Fast drilling, medium PSI concrete and hard masonry. 14" drilling depth. Wet

86% of respondents would recommend this to a friend

Item #: 40285350

ETB 8306

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Designed for drilling hard concrete, hard brick, and other hard masonry with ease.
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What Stands Out

Precision Cutting
Designed for aggressive wet drilling, these diamond bits ensure clean, precise cuts in concrete and masonry, minimizing debris and enhancing efficiency in tough materials.
Durable Design
Crafted with high-quality diamond segments, these drill bits offer exceptional durability and longevity, reducing the need for frequent replacements compared to standard bits.
Versatile Compatibility
The 1-1/4'-7 threaded arbor allows for easy compatibility with various drill machines, making these bits a flexible choice for professionals working on diverse projects.

Product Details

Shop the best selection of 2 aggressive wet core diamond drill bits for concrete and other masonry at Ubuy Ethiopia. High-quality, threaded arbor design for easy use and long-lasting performance. Get yours now!
  • 5 wet diamond coring bits
  • Designed for drilling hard concrete, hard brick, and other hard masonry
  • 1-1/4-7 threaded arbor
  • Drilling depth: 14
  • Wet use only
  • 10mm segment height with #30/40 diamond grit
Brand NameEDiamondTools
UPC702571130154
Unit Count1 Count
ManufacturerEDiamondTools
Part NumberWBE0114A5
Included Components1-1/4"Wet diamond coring bits
BrandEDiamondTools
Item Weight2 lbs (910 grams)

Who Should Buy?

Suitable For
  • Professional Contractors

    Ideal for contractors needing efficient drilling in concrete and masonry with durable core diamond technology.

  • DIY Enthusiasts

    Great for home improvement projects requiring robust and reliable core drilling capabilities during renovations.

  • Masonry Specialists

    Perfect for experts focusing on brick, stone, or concrete work, ensuring clean and precise holes.

Not Suitable For
  • Casual Users

    Not suitable for occasional users who may not require specialized and durable drilling equipment.

Product Description

1-1/4" High Speed Wet Diamond Core Bit for Concrete, 5/8"-11 Arbor | Fast drilling, medium PSI concrete and hard masonry. 14" drilling depth. Wet only, diamond hole saw

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What materials can the 4-1/2" Aggressive Wet Core Diamond Drill Bits be used on?

    Answer: The 4-1/2" Aggressive Wet Core Diamond Drill Bits are designed specifically for concrete and other masonry materials. These bits excel at drilling through tough surfaces, including reinforced concrete, brick, block, and stone. The diamond segments provide durability and enhanced cutting efficiency, making them ideal for both professional and DIY projects. Whether you are installing plumbing, electrical conduits, or simply need to create clean holes in hard surfaces, these drill bits are an essential tool in your masonry arsenal.
  • Question: What is a threaded arbor and why is it important?

    Answer: The 1-1/4"-7 threaded arbor used with the 4-1/2" Aggressive Wet Core Diamond Drill Bits allows for secure attachment to your power tool. This threading ensures a stable connection during use, reducing vibration and ensuring precise drilling. A proper fit is crucial for maximizing performance and minimizing wear on both the bit and the tool. For those undertaking extensive drilling tasks, a reliable arbor connection is essential to maintain drilling accuracy and efficiency.
  • Question: Can the wet core diamond drill bits be used without water?

    Answer: While technically possible, using the 4-1/2" Aggressive Wet Core Diamond Drill Bits without water is not recommended. The wet drilling method helps to cool the bit, reduce dust, and prolong the life of the drill. It also minimizes the risk of overheating and ensures a cleaner hole. If you're working in a confined area, consider using a water reservoir or misting system to keep things cool and effective. This is especially beneficial in environments where debris management is crucial.
  • Question: What size hole can I drill with these bits?

    Answer: The 4-1/2" Aggressive Wet Core Diamond Drill Bits are capable of drilling holes that are exactly 4-1/2 inches in diameter. This size is perfect for a variety of applications, whether you're creating access points for plumbing, wiring, or anchors in masonry. The precise sizing ensures that you can accomplish your tasks without needing further adjustments, making your project execution smooth and efficient.
  • Question: Are these drill bits suitable for professional use?

    Answer: Yes, the 4-1/2" Aggressive Wet Core Diamond Drill Bits are specifically built to meet the demands of professional users. Their robust construction with diamond segments allows for extended durability and performance on tougher jobs. These bits are perfect for contractors, electricians, and plumbers who need reliable tools for consistent results in challenging conditions. Professionals will find these bits improve productivity and reduce downtime due to fewer replacements.
  • Question: How long can I expect these bits to last?

    Answer: The lifespan of the 4-1/2" Aggressive Wet Core Diamond Drill Bits depends on several factors, including the materials being drilled, the power and technique used, and the care taken during use. Generally, these bits are designed for high durability and can withstand extensive drilling. With proper use and maintenance, including regular cooling and cleaning, you can achieve many successful drilling hours, making them a wise investment for frequent use.
  • Question: What type of drill should I use these bits with?

    Answer: These bits are compatible with wet core drilling machines or a standard drill equipped with the correct power and speed settings. It’s important to ensure that your drill can accept the 1-1/4"-7 threaded arbor, as this will facilitate a secure fit during operation. Look for drills that specifically mention wet drilling capabilities, as they will provide the necessary power and performance you need for effective results.
  • Question: Can I use these bits for DIY home projects?

    Answer: Absolutely! The 4-1/2" Aggressive Wet Core Diamond Drill Bits are ideal for DIY enthusiasts looking to tackle home improvement projects. Whether you're creating holes for installing fixtures or running pipes, these bits provide high performance and accuracy. Just remember to follow safe drilling practices and ensure you’re wearing protective gear while working. With the right technique, these bits will significantly enhance your home renovation capabilities.
  • Question: How do I maintain my diamond drill bits?

    Answer: To maintain your 4-1/2" Aggressive Wet Core Diamond Drill Bits, ensure they are kept clean after each use to remove any debris or buildup. Avoid overheating by consistently using water during drilling. Store them in a dry place and keep the bits protected from impacts to prevent damage to the diamond segments. Regularly checking for any signs of wear will also help you maximize their lifespan and performance.
  • Question: Where can I buy 4-1/2" Aggressive Wet Core Diamond Drill Bits for Concrete and Other Masonry 1-1/4"-7 Threaded Arbor in Ethiopia?

    Answer: You can purchase the 4-1/2" Aggressive Wet Core Diamond Drill Bits for Concrete and Other Masonry 1-1/4"-7 Threaded Arbor exclusively on Ubuy. Ubuy offers a wide selection of high-quality tools, ensuring you can find the right options for your needs. With a user-friendly shopping experience, Ubuy provides reliable access to these drill bits, making it easier than ever to get the tools necessary for your masonry projects.

EDiamondTools Masonry Core Drill Bits Editorial Review

The 6" Aggressive Wet Core Diamond Drill Bits for Concrete and Other Masonry 1-1/4"-7 Threaded Arbor is a great value for its price. The product has received positive feedback from customers who have used it for coring through concrete and other tough masonry material. The bit is effective and durable, providing good results compared to more expensive options. However, it should only be used with a good water system to ensure its longevity. Additionally, customers suggest drilling a small hole in the concrete and backfeeding water into the hole if a water rig is not available, in order to achieve the same results.

Customer Reviews & Ratings

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Pros

  • Great value for the price
  • Effective and durable for coring through concrete and other tough masonry material
  • Comparably as good as more expensive options
  • Works well for making multiple holes

Cons

  • Requires a good water system to ensure its longevity

Platform Trust & Buyer Confidence

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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ETB 8306

Order now and get it around Friday, September 04

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Specifically designed for tough materials like concrete and brick.
  • Features a 1-1/4-7 threaded arbor for compatibility.
  • Achieve a maximum drilling depth of 14 inches.
  • Wet use only for optimal performance.
  • Includes a 10 mm segment height with #30/40 diamond grit.
  • Two durable wet diamond coring bits included.

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