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Item #:
204488340
Diamond Core Drill Bit Set 20/25/35/50mm Vacuum Brazed | with Pilot Center Drill Bit, Diamond Hole Saw, Diamond Drill Bits For Porcelain Tiles Glass
Item #:
204488340
€ 34
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from UK
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In stock
Imported from UK store
Order now and get it around Friday, August 21
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Ideal for efficient drilling on tile, ceramic, granite, marble, quartz, and glass.
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What Stands Out
Vacuum Brazed Design
Enhances durability and performance, ensuring clean cuts through tough materials like porcelain and granite, minimizing wear and tear for longer-lasting use.
Pilot Center Drill
Includes a pilot drill to guide the main bit, reducing the risk of wandering during the drilling process, providing increased accuracy and precision in every project.
Versatile Sizing
Offers a selection of diameters (20mm to 50mm) to tackle various jobs, making it ideal for both professional and DIY tasks around the home and construction sites.
Product Details
- [Four-Size Set Configuration] Our diamond core drill bit set includes four common sizes: 20/25/35/50mm. With a total length of 65mm and a diamond layer height of 10mm, it meets various hole diameter drilling needs. The universal triangular drill shank is compatible with the most electric drill, hand drill, or bench drill.
- [Widely Applicable] This diamond hole saw is designed for hard materials and includes a centering drill bit. It is ideal for efficient drilling on tile, ceramic, granite, marble, quartz, and glass. Diamond drill bits for porcelain tiles supports dry drilling and can be cooled with water for extended life.
- [Vacuum Brazed Diamond Technology] A vacuum brazing process securely bonds the diamond particles to the high-grade steel body, improving heat and wear resistance for superior performance and a longer lifespan.
- [Efficient and Durable] A thick, uniform diamond coating and a precise, non-slip center drill ensure easy, precise drilling and efficient, stable cutting. Large, optimized side chip holes keep the water cool and easily remove debris. For optimal results, use with cooling water in the 500-800 rpm range.
- [Diamond Hole Cutters For Tiles] Tile hole cutter set is compatible with the most of electric drills, hand drills, and bench drills. It features a non-slip center drill bit to ensure precise positioning and prevent deviation. Keep the hole saw vertical while drilling. Once the groove is created, remove the center drill bit and continue drilling, offering flexible and convenient operation.
| Brand | inodiref |
| Set Name | Inodiref Diamond Core Drill Bit Set 20/25/35/50mm |
| Unit Count | 4.0 count |
| Number of Packs | 1 |
| Manufacturer | inodiref |
| Manufacturer Part Number | zt04 |
| Number of Pieces | 4 |
| Country Of Origin | China |
| Included Components | Tile Hole Cutter Set, 1X 20mm, 1X 25mm, 1X 35mm, 1X 50mm |
| Finish Types | Diamond |
| Shank Type | 3-Flat |
| Surface Recommendation | Ceramic, Glass, Granite, Marble, Quartz, Tile |
| Tool Flute Type | Spiral |
| Number of Flutes | 2 |
| Finish type | Diamond |
| Item Weight | 2.5 lbs (1.13 kg) |
Who Should Buy?
-
Home Renovators
Ideal for DIY enthusiasts seeking to drill clean holes in various materials during home improvement projects.
-
Professional Contractors
Perfect for contractors who require durable and reliable tools for cutting tiles and stones with precision.
-
Tile Installers
Beneficial for tile installers needing efficient solutions for plumbing and electrical fixture installations in ceramic tiles.
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Soft Materials
Not suitable for drilling into soft materials like wood or plastic, as it's designed for hard surfaces only.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What materials can the diamond drill bits be used on?
Answer: The diamond drill bits can be used on tile, ceramic, granite, marble, quartz, and glass. -
Question:
How do I extend the lifespan of the diamond hole saw?
Answer: Using cooling water while drilling can significantly extend the lifespan of the diamond hole saw. -
Question:
Are these drill bits compatible with all types of drills?
Answer: Yes, the drill bits are compatible with most electric drills, hand drills, and bench drills.
inodiref Core Drill Bits Editorial Review
The Diamond Core Drill Bit Set featuring sizes of 20, 25, 35, and 50mm has garnered a mixed reception among users, particularly regarding its performance on porcelain tiles. While some customers have reported satisfactory results, noting good quality and durability for cutting through various materials, others have expressed frustration, especially when dealing with tougher porcelain surfaces. A Consistent theme among the reviews is that these bits can perform adequately on ceramic tiles but struggle significantly with porcelain, often requiring more time and effort than their competitors. Users attempting to cut holes in tougher materials reported that the drill bits did not cut through as quickly or effectively as expected, with some opting to switch brands after unsuccessful attempts. A few users appreciated the pilot center drill feature, which was intended to aid in stability and precision, but noted that for the most part, it failed to live up to its promise. Despite an overall dissatisfaction with performance on porcelain, there were positive mentions of the bits providing a neat finish on successful cuts. For those who only require drilling into less challenging materials, this set might be suitable; however, for serious or professional work, especially involving porcelain tiles, users are advised to Consider alternative options. **
Customer Reviews & Ratings
17 customers ratings
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5 Star
49%
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4 Star
17%
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3 Star
22%
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2 Star
3%
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1 Star
9%
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Pros
- Good quality and reasonable pricing
- Provides a neat finish on successfully drilled holes
- Pilot center drill bit helps stabilize the cutting process
Cons
- Struggles significantly with cutting porcelain tiles
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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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22-Jul-26 · via Trustpilot
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22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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€ 34
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Features & Benefits
- Includes 4 diamond core drill bits: 20mm, 25mm, 35mm, and 50mm.
- Designed for hard materials, ensuring efficient and precise drilling.
- Supports both dry drilling and cooling with water for extended lifespan.
- Vacuum brazed technology enhances heat and wear resistance.
- Compatible with most electric, hand, and bench drills.
- Features a non-slip center drill bit for accurate positioning.
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