The percentage shows how many AliExpress buyers rated this product positively. InstaShop does not edit or filter the rating.
✓ Selected for InstaShop by high positive feedback (88%+) and proven sales
✅ Enables clean and precise circular cuts in brittle materials
✅ Versatile set with multiple diameters to accommodate various
✅ Low-cost solution for home renovation and occasional DIY pro
👤 Ideal for DIYers and homeowners performing occasional bathroom or kitchen tiling tasks.
Price updated
86/100⭐ RecommendedInstaShop Score
Rating
Sales volume
Discount
Computed by InstaShop from the product's real rating, sales volume and discount - an independent editorial signal, not a guarantee. How it is calculated
This ten-piece diamond-coated hole saw set makes drilling through glass, ceramic, and marble effortless and precise. It is an essential choice for DIY enthusiasts and home renovators looking to achieve professional results on challenging materials.
InstaShop is a catalog that links to AliExpress. Purchase, shipping and warranty are provided solely by the AliExpress seller; some links are affiliate links (the price to you doesn't change). Terms of Use
📈 Price history: is the discount real?
Typical price
Based on InstaShop's daily price tracking on AliExpress since 28.9.2026 · 32 measurements
Today's price
$8.15
checked 29.10
Lowest
$4.05
6.10
Average · 32 measurements
$5.78
28.9–29.10
We have tracked this product's price for 32 days, since 28.9.2026. The lowest was $4.05 (on 6.10.2026), the average $5.70 and the highest $9.37. Today's price, $8.15, is 43% above the average.
66% - not real: the "original" price was never charged while we tracked it
Real data only: one price check per day on AliExpress, international listing, in US$.
🔍 In-depth analysis
This 10-piece diamond-coated hole saw set is a high-volume staple in the tools category, specifically designed for the delicate task of drilling through hard, brittle materials like glass, ceramics, and marble. With nearly 4,000 orders and a very respectable buyer rating, this set has clearly established itself as a reliable choice for DIY enthusiasts and home renovators. The diamond coating provides the necessary abrasive surface to grind through surfaces that would otherwise crack or shatter under the pressure of a standard masonry bit, making it essential for bathroom or kitchen tiling projects.
While the specific dimensions of each bit are not listed in the primary title, the 10-piece configuration suggests a broad range of sizes for different household applications. The high volume of successful orders indicates that the product performs well relative to its price point. It functions as a specialized consumable kit-perfect for those who need the right tool for a specific material but don't want to invest in expensive, industrial-grade individual bits.
✅ Pros
High market validation with nearly 4,000 orders and a strong 4.5+ star rating.
The 10-piece set offers high versatility for various hole-cutting tasks in fragile materials.
Diamond-coated edges are purpose-built for clean cuts in marble, glass, and ceramics.
Cons and cautions
The diamond coating on entry-level bits can wear thin quickly if used at high speeds or without proper lubrication.
Specific bit sizes are not transparently listed in the title, requiring buyers to double-check the description details.
From our data
Price moved between $4.05 and $9.37 since 28 Sep (32 tracked days)
This analysis is written with an AI model from the product data (name, category, price, rating and orders), not from a hands-on test. How we choose and score
Who it's for: Ideal for DIYers, home hobbyists, and renovators who need to install plumbing fixtures, cables, or shelving into tiled walls, glass mirrors, or stone surfaces. It is a great starter kit for anyone building a home workshop on a budget.
Who should skip it: Not suitable for drilling into metal, wood, or reinforced concrete. It is also not intended for high-speed industrial use where bits are subjected to constant, all-day friction without rest.
🔎 Check before you buy
Confirm the exact millimeter diameters of all 10 bits in the set to ensure they fit your specific project requirements.
Verify the shank shape and size with the seller to ensure compatibility with your drill's chuck.
Ask the seller if these bits require a specific guide or if they can be used freehand with a pilot notch.
Check if the set comes in a storage case or if the bits are loose, as this impacts organization and protection of the coating.
💰 Value verdict: Given the current discount and the high volume of positive feedback from thousands of buyers, this set offers significant value. It provides a cost-effective way to obtain a wide variety of specialty bits that would likely cost much more if purchased individually at a local hardware store.
💡 Tips
Always use a steady stream of water while drilling to act as a coolant and lubricant; this significantly extends the life of the diamond coating.
Start your cut at a slight angle to create a groove before moving the drill to a perpendicular position to prevent the bit from sliding across the surface.
Apply light, consistent pressure and let the diamond abrasive do the work rather than forcing the drill.
Questions about this product
Are these bits compatible with a standard hand drill?
Most sets of this type are designed for standard chucks, but you should verify the shank dimensions with the seller to be certain they fit your specific model.
Can I use these to drill through granite countertops?
The title specifies marble and ceramics; while diamonds are hard, you should check with the seller if the coating thickness is sufficient for the density of granite.
Do I need a special cooling system to use these?
No complex system is needed, but you must manually apply water to the drilling site to prevent overheating and premature wear of the diamond surface.
❓ Questions & Answers
What does it cost in US dollars?
$8.15 - AliExpress's international price at our latest check (29.10.2026). The exact amount in your currency, with shipping, is shown at AliExpress checkout.
Shipping and import taxes to my country?
Delivery to your address, its cost and time depend on the seller and your country; import duty/VAT depends on your country's rules (in the EU, the UK and Australia VAT/GST is usually collected at AliExpress checkout). All of it is shown before you pay.
Is this price tracked?
Yes. We have checked this listing's price 32 times since 28.9.2026 - see the price history and the tracking facts on this page.
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