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Multi-function Drill Bits for Drilling, Grinding & Polishing

Multi-function Drill Bits for Drilling, Grinding & Polishing

 (355 Reviews)
Regular price $32.99
Regular price $32.99 Sale price $65.00
SAVE 49% Sold out
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🏷️ 4-in-1 multi-tool, save cost & boost efficiency

🧱 All hard materials, smooth chip-free finish

⚙️ 5/8"-11 thread, fits most angle grinders, easy install

💎 Vacuum brazed diamond, 3x durable, wet & dry usable

📏 Wide hole size range, 1-year warranty & 24h support

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Multi-function Drill Bits for Drilling, Grinding & Polishing

Multi-function Drill Bits for Drilling, Grinding & Polishing

Regular price $32.99
Regular price $32.99 Sale price $65.00
SAVE 49% Sold out

This 4-in-1 diamond drill bit is such a game changer! It works great on tiles and marble, super sturdy and easy to attach to my angle grinder, saves me tons of time buying separate tools.

Tom
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Specification

Material: Diamond Sand
Craftsmanship: Sintered
Feature: Sharp
Processing Object: Ceramics
Product Type: Hole Enlarging & Polishing
Packaging Spec: 1 Piece Per Box

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Safe & Secure Checkout

We use state-of-the-art SSL Secure encryption to keep your personal and financial information 100% protected.

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60 Days Return

To be eligible for a return, please ensure that:

Items are unused, unwashed, undamaged, and in their original packaging with original labels attached.

The customer is responsible for return shipping costs unless the return is due to our error.

Items that do not meet these conditions will not be accepted for return.

Customers may request a return within 60 days of receiving the item, without providing a reason.

To initiate a return, please contact us at info@elarohome.com. Once we receive and inspect the returned item, the refund will be issued to the original payment method.

Shipping fees will be charged at most once per order (including returns).

No restocking fees will be charged for returned items.

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Shipping Costs

Shipping Policy – Elaro Home

🕒 Order Processing & Delivery Time

Processing Time

  • Standard Orders: Orders are usually processed within 24 hours on business days (Monday–Friday).

  • Weekend & Public Holidays: Orders placed on weekends or public holidays will be processed within 48 hours.

  • Customized Orders: Personalized or engraved items require an additional 3–5 business days for customization before shipping.

Delivery Time

Total Delivery Time = Processing Time + Shipping Time

  • Estimated delivery time varies by destination and the selected shipping method.

  • Shipping may be delayed due to customs processes, high order volumes, or local postal disruptions.

  • Peak Season Delays: During heavy shopping periods (e.g., Black Friday, Cyber Monday, Christmas, New Year, Valentines, etc.), delivery times may be longer than usual. We appreciate your patience.


🚚 Shipping Costs & Free Shipping

  • Free Shipping: Enjoy FREE standard shipping on orders of $49 or more!

  • Standard Shipping:

    • United States: A flat rate of $4.99 applies for orders under $49.

    • Canada & Australia: A flat rate of $5.99 applies for orders under $49.

    • This ensures reliable delivery of your items.

  • We also run occasional free shipping promotions — subscribe to our newsletter or check the website for updates!


🌍 Shipping Countries & Estimated Delivery Time

We offer worldwide delivery by Air Shipping. Estimated delivery times (after processing) are:

Region Estimated Shipping Time
United States (US) 7–10 Business Days
Canada (CA) / Australia (AU) / United Kingdom (UK) 7–15 Business Days
Germany / France / Italy / Spain / Netherlands / New Zealand 10–15 Business Days
Other Countries 10–15 Business Days

These are estimates and may vary depending on shipping carrier, customs, and location.


🔍 Shipment Tracking

Once your order ships, you will receive a shipping confirmation email with tracking information.
You can track your order at any time through our Track Your Order page.

If you do not receive tracking details within 48 hours after the estimated processing time, please contact us.


🛃 Customs Duties & Taxes

In most cases, customers do not need to pay customs duties or import taxes.
However, international customs policies vary by country, and in rare cases, additional charges may apply.
If your shipment incurs customs fees, these are the responsibility of the customer.


📦 Address Accuracy & Failed Delivery

Please ensure your shipping address (name, address, phone number, etc.) is complete and correct at checkout.

If a shipment fails due to incorrect or insufficient shipping details provided by the customer, we may not be able to resend the order, and refunds may be refused.

Please double-check your shipping information before placing an order.


💬 Contact Us

If you have any questions regarding shipping, we’re here to help:

📩 Email: info@elarohome.com
⏱️ Response Time: Within 24–48 hours on business days

Exclusive 4-in-1 Special Structure, Save Your Cost and Time Unlike ordinary single-function chamfer drill bits that require you to purchase multiple separate tools for different tasks, our exclusive 4-in-1 grinding head integrates four professional functions in one single tool: chamfering, hole expanding, polishing and arc trimming. There is no need to switch between different drill bits during operation. This all-in-one tool handles all stone processing tasks, saving you hundreds of dollars on extra tool purchases and greatly boosting your working efficiency.
Compatible with All Hard Materials, Smooth & Chip-Free Edges Our diamond chamfer drill bit works perfectly for a variety of hard surfaces, including granite, marble, ceramic tiles, porcelain, concrete, quartz and microcrystalline stone. High-density diamond particles deliver an ultra-smooth, chip-free and scratch-free finishing surface. It effectively eliminates ugly chipped edges on expensive tiles and stone countertops, bringing you professional-grade perfect results every time.
Universal 5/8"-11 Thread, Fits Most Angle Grinders, Easy to Install Equipped with a standard 5/8"-11 threaded connection, this chamfer drill bit is perfectly compatible with most standard angle grinders on the market. No extra adapters or complicated installation steps are required — simply screw it on and start working. The tight threaded design ensures stable and safe operation without shaking or loosening even during heavy-duty grinding work.
Premium Vacuum Brazed Diamond, Ultra Durable, Wet & Dry Use Available Adopting advanced vacuum brazing technology, the diamond coating is firmly bonded to the metal body, making it 3 times more durable than ordinary abrasive drill bits. It withstands heavy-duty grinding without rapid wear for a longer service life. More importantly, it supports both wet and dry use with no extra cooling water required, which is extremely convenient for on-site construction work.
Precise Size & Worry-Free After-Sales Service Featuring precise dimensional design: overall height 2.76 inches, base diameter 1.97 inches, top diameter 0.35 inches. It can process existing holes ranging from 0.35 inches to 1.97 inches to meet your diverse processing needs. We stand firmly behind our products with a 1-year warranty, 30-day free return service and 24/7 customer support. If you have any questions, feel free to contact us, and we will resolve your issues within 24 hours.

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  • Does the job well

    Picked these up for some weekend projects around the house. They work fine on wood and drywall, haven't tried metal yet. Decent quality for the price.

    Marcus

  • Good variety in the set

    The different bit sizes are useful. I've used about half of them so far and they've held up. Shipping was fast too.

    Sarah

  • Solid for occasional use

    Not a professional, just a homeowner. These bits do what I need — drilled through tile without cracking it, which was my main concern. Happy with the purchase.

    James

  • Works as described

    Used it for a small renovation project. The grinding attachment was a nice bonus. Instructions could be clearer but figured it out.

    Kevin

  • Pretty good overall

    Bought this for my partner who does a lot of DIY. He says the bits are sharp and the set covers most common needs. Would probably buy again.

    Priya

  • Handy little set

    Compact and easy to store. Used the polishing bit on an old cabinet and it came out looking much better. Does what it says.

    Daniel