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Top 28mm Tile Hole Cutter Kits: Diamond Drill Bit Sets Reviewed

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Selecting the right diamond hole saw is essential for achieving clean, chip-free cuts in hard materials like porcelain, granite, and ceramic. Whether you are installing faucet hardware or drilling through glass bottles, the quality of the diamond grit and the inclusion of a pilot bit significantly impact your precision. For specialized tasks requiring a 28mm diameter, you can choose between comprehensive multi-piece kits that offer a wide range of sizing options or targeted two-piece sets designed specifically for consistent, repetitive drilling. This guide breaks down the most relevant options available to help you find the right tool for your specific material needs and project scope.

When working with delicate materials, the ability to maintain accurate positioning is paramount. Many of the kits featured here include pilot bits or guides to prevent the drill from wandering during the initial cut. While larger kits provide versatility for a variety of hole diameters, smaller, focused sets ensure you have backups for high-wear tasks. Before starting your project, ensure your drill speed is compatible with diamond-tipped accessories to maximize longevity. Our comparison focuses on the specifications and user-rated performance of these cutting tools, providing the details necessary to make an informed decision for your next masonry or glass-cutting job.

How this guide was prepared: We compared the supplied product information, feature sets, ratings, and likely use cases. This is an editorial comparison and not a claim of hands-on or laboratory testing.
Best Overall
Drilax Diamond Hole Saw Kit for Tile and Glass, 10 Pc Drill Bit Set 1/4 to 2 Inch with Guide, Ceramic Porcelain Granite Stone Core Bits for Drill, Circle Cutter for Faucet Drain Installation | for Ceramic, Porcelain, Gra

1. Drilax Diamond Hole Saw Kit for Tile and Glass, 10 Pc Drill Bit Set 1/4 to 2 Inch with Guide, Ceramic Porcelain Granite Stone Core Bits for Drill, Circle Cutter for Faucet Drain Installation | for Ceramic, Porcelain, Gra

★ 4.4 out of 5 stars

This 10-piece diamond hole saw kit provides a versatile range of sizes from 1/4 inch to 2 inches, making it a comprehensive choice for users who frequently encounter varying hole diameter requirements. It is specifically designed for cutting through ceramic, porcelain, granite, and stone. The inclusion of a guide is a notable feature for those focused on maintaining precision across different bit sizes. This kit is marketed for tasks such as faucet and drain installation, serving as a general-purpose solution for both professional and DIY tile work. With a 4.4-star rating, it remains a popular choice for those building out a diverse tool collection.

Best for: Users needing a wide variety of hole sizes in one kit.

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Highlights

  • 10-piece set covers 1/4 to 2-inch diameters
  • Includes a guide for accurate positioning
  • Compatible with ceramic, porcelain, and granite
  • Designed for plumbing and faucet installations

Keep in mind

  • May be excessive for users only needing a 28mm hole
  • Individual bit longevity may vary compared to dedicated sets
Best Value
1-1/8 Inch Diamond Hole-Saw Bits with Pilot Drill Bit - 2pc 1-1/8" Diamond Tipped Tile Hole Saws with Guiding Bit Accurate Drilling for Porcelain Tile Ceramic Pottery Granite Stone Glass Bottles 28mm

2. 1-1/8 Inch Diamond Hole-Saw Bits with Pilot Drill Bit - 2pc 1-1/8" Diamond Tipped Tile Hole Saws with Guiding Bit Accurate Drilling for Porcelain Tile Ceramic Pottery Granite Stone Glass Bottles 28mm

★ 4.6 out of 5 stars

Designed specifically for 28mm (1-1/8 inch) applications, this 2-piece set features diamond-tipped hole saws paired with a pilot drill bit. The integration of a guiding bit is intended to assist with accurate drilling, reducing the risk of slipping on smooth surfaces like glass bottles, ceramic, or porcelain tile. Rated at 4.6 stars, this product is positioned as a reliable solution for users who have a specific, repetitive need for 28mm holes. By focusing on a single size, the kit provides a specialized tool for precise masonry work, granite drilling, and pottery customization.

Best for: Repetitive 28mm drilling in tile and glass.

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Highlights

  • Specialized 28mm (1-1/8 inch) diameter
  • Includes pilot drill bit for stability
  • High 4.6-star user rating
  • Suitable for porcelain, granite, and glass

Keep in mind

  • Limited to one specific hole size
  • Not suited for projects requiring multiple diameters
Best Premium
1-1/8" Diamond Hole-Saw Bits with Pilot Drill Bit - 2pc 1-1/8 in Diamond Tipped Tile Hole Saws with Guiding Bit for Accurate Drilling, for Porcelain Tile Ceramic Pots Granite Stone Glass Bottles 28mm

3. 1-1/8" Diamond Hole-Saw Bits with Pilot Drill Bit - 2pc 1-1/8 in Diamond Tipped Tile Hole Saws with Guiding Bit for Accurate Drilling, for Porcelain Tile Ceramic Pots Granite Stone Glass Bottles 28mm

★ 4.5 out of 5 stars

This 2-piece diamond-tipped hole saw set is engineered for 28mm (1-1/8 inch) drilling tasks. Much like similar specialized sets, it emphasizes accuracy through the inclusion of a pilot drill bit, which is particularly useful when starting holes in hard, slick materials such as glass, porcelain, or ceramic pots. With a 4.5-star rating, it offers a focused toolset for craftsmen who prioritize consistency in their 28mm cuts. Its construction is tailored for granite, stone, and various tile types, ensuring a clean finish for hardware installations or artistic projects involving glass or pottery.

Best for: Accurate 28mm hole drilling in hard materials.

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Highlights

  • Precisely sized at 28mm (1-1/8 inch)
  • Pilot bit included for guided starts
  • 4.5-star rated performance
  • Effective on porcelain, granite, and glass

Keep in mind

  • Offers no versatility for other hole sizes
  • May require careful speed management for longevity
Best Portable
10PCS Diamond Hole Saw Kit with Pilot Bits for Tile Ceramic Glass | Tile Hole Cutter Set with Portable Carrying Case ,Precise Positioning, Fits Porcelain Granite Marble Quartz Stone ,Yellow

4. 10PCS Diamond Hole Saw Kit with Pilot Bits for Tile Ceramic Glass | Tile Hole Cutter Set with Portable Carrying Case ,Precise Positioning, Fits Porcelain Granite Marble Quartz Stone ,Yellow

★ 4.4 out of 5 stars

This 10-piece diamond hole saw kit stands out for its inclusion of a portable carrying case, which aids in organization and tool protection. Designed for precise positioning, the set includes pilot bits to assist when cutting through porcelain, granite, marble, and quartz. It is a well-rounded option for users who want to keep their equipment orderly while having access to a range of common hole sizes. The yellow-themed kit is rated 4.4 stars and is suitable for various tile and glass applications where accuracy is the primary concern for the operator.

Best for: Organized storage for various tile cutting needs.

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Highlights

  • 10-piece set with portable carrying case
  • Features pilot bits for precise positioning
  • Compatible with marble, quartz, and granite
  • 4.4-star rating among users

Keep in mind

  • Carrying case may increase the overall footprint
  • Specific bit durability is not explicitly detailed
Best for Precision
15 Pcs Diamond Drill Bits for Ceramic, Diamond Hole Saw Drill Bit Set Kit, Premium Glass Drill Bit for Bottles,Pots, Marble, Granite Stone, Tile Cutting 0.23 Inch - 2 Inch（6mm - 50mm） YLYL

5. 15 Pcs Diamond Drill Bits for Ceramic, Diamond Hole Saw Drill Bit Set Kit, Premium Glass Drill Bit for Bottles,Pots, Marble, Granite Stone, Tile Cutting 0.23 Inch - 2 Inch（6mm - 50mm） YLYL

★ 4.3 out of 5 stars

This extensive 15-piece diamond drill bit set offers a broad range of diameters, spanning from 0.23 inches (6mm) to 2 inches (50mm). It is a comprehensive kit for those who work across a wide spectrum of materials, including marble, granite, ceramic, and glass bottles. The variety of sizes makes it a useful investment for hobbyists or professional installers who encounter unpredictable project requirements. Although rated 4.3 stars, the sheer volume of bits provided ensures that users are equipped for almost any small-to-medium hole-cutting task without needing to purchase additional individual blades.

Best for: Users needing the largest range of bit sizes.

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Highlights

  • 15-piece set covers 6mm to 50mm range
  • High versatility for various stone and tile materials
  • Suitable for both industrial and hobbyist use
  • Covers all standard small hole diameters

Keep in mind

  • Large set may be overwhelming for simple projects
  • Storage of 15 individual bits requires organization
Buying guide

How to choose

Precision and Pilot Bits

When selecting a 28mm tile hole cutter, consider the inclusion of a pilot drill bit. Several options, such as the 2pc 1-1/8 inch diamond-tipped sets, feature a guiding bit designed to improve drilling accuracy. A pilot bit helps stabilize the tool during the initial engagement with hard surfaces like porcelain, ceramic, or granite, preventing the bit from wandering. For projects requiring precise hole placement for faucet or drain installations, prioritizing a kit that includes a dedicated guide or pilot functionality is essential for maintaining control and achieving clean, professional-looking circular cuts without damaging the surrounding material.

Set Versatility vs. Single Size

Determine whether your workshop requires a specialized single-size cutter or a comprehensive kit. Kits like the Drilax 10-piece set or the YLYL 15-piece set offer a wide range of sizes from 6mm to 50mm, making them ideal for contractors or DIYers who frequently encounter varying hole diameters. Conversely, if your task is strictly confined to 28mm applications, such as specific plumbing or tile-mounting requirements, dedicated 2-piece sets provide a focused solution. Assess your long-term needs; purchasing a set often provides better value for diverse applications, while dedicated pairs ensure you have a backup bit readily available for the specific 28mm dimension.

Material Compatibility

Ensure the diamond hole saw is rated for the specific hardness of your substrate. Most diamond-tipped cutters listed are engineered for versatile use across porcelain, ceramic, granite, marble, quartz, and stone. Some are also explicitly tested for glass bottles and pottery. Always verify the manufacturer's material list to ensure the diamond grit is appropriate for your application. Using a cutter on a material for which it is not intended can lead to premature wear of the diamond coating or overheating. High-rated options consistently list these hard materials, ensuring the tool remains effective across a variety of masonry and glass projects.

Storage and Portability

For professionals moving between job sites, storage is a critical factor. Kits such as the 10-piece diamond hole saw set in yellow include a portable carrying case, which keeps the bits organized and protected from damage when not in use. A case prevents individual bits from rolling around in a toolbox, which can dull the diamond tips over time. If you choose a smaller 2-piece set, consider how you will organize the bits to prevent contact with other metal tools. A durable case not only extends the life of your equipment but also makes it easier to track your inventory.

User Ratings and Reliability

Product ratings offer insight into user satisfaction and general performance consistency. The 28mm options provided show high ratings, with specific 2-piece sets reaching up to 4.6 stars. When comparing products, look for consistency in customer feedback regarding the bit’s ability to maintain its cutting edge through multiple holes. While all listed cutters utilize diamond-tipped technology, slight variations in manufacturing quality can affect longevity. Prioritizing products with consistent high ratings helps ensure that the tool will perform as expected during demanding tasks. Always cross-reference the product features against your project's technical requirements to ensure the best fit for your specific tile-cutting application.

Common questions

Frequently asked questions

Is a 1-1/8 inch bit the same as a 28mm hole cutter?

Yes, 1-1/8 inches is the imperial equivalent of approximately 28.5mm. In the context of the provided products, tools labeled as 1-1/8 inch are explicitly marketed as 28mm hole saws. These are standard sizes used for various plumbing, faucet, and drain installations. When shopping, you can confidently treat these two labels as interchangeable for your tiling projects, provided the bit is compatible with the specific hardness of the porcelain, ceramic, or granite tile you are cutting.

Do I need a special drill for these diamond hole saws?

These diamond hole saws are designed for use with standard drills. The products specify compatibility with drills for ceramic, porcelain, granite, and stone. Because these are diamond-tipped core bits, they are intended to cut through hard materials efficiently. However, you should always ensure your drill is set to a rotational speed appropriate for diamond-tipped bits. Check the product documentation for any specific RPM recommendations to ensure you do not overheat the diamond grit, which can shorten the tool's effective lifespan.

Can these bits be used for drilling through glass bottles?

Yes, several of the listed products, including the 2pc 1-1/8 inch diamond-tipped sets and the 15-piece YLYL kit, explicitly state that they are suitable for drilling through glass bottles and pottery. Diamond-tipped bits are necessary for glass because they grind through the material rather than chipping it. When drilling glass, ensure you use a steady hand and appropriate cooling techniques to prevent the glass from cracking or the bit from overheating during the process.

What is the benefit of the pilot bit included in some kits?

The pilot bit serves as a centering tool. When you start drilling into a hard, smooth surface like porcelain or ceramic, a standard hole saw can easily slide or wander across the surface before it begins to cut. The pilot bit drills a small starting hole, which anchors the diamond-tipped saw in place. This ensures that the 28mm hole is cut precisely where intended, preventing accidental scratches or misalignment on your finished tile surface.

Are these kits suitable for professional granite installation?

The kits listed are designed for a variety of hard surfaces, including granite, marble, and quartz. With high ratings, these diamond hole saws are suitable for tasks involving these natural stones. When working with professional-grade granite, the quality of the diamond grit is important for maintaining speed and accuracy. If you are performing frequent, heavy-duty installations, opting for a kit with a wide range of sizes and a carrying case, such as the 10-piece or 15-piece sets, is often the most practical approach.

Verdict

Bottom line

For users specifically targeting a 28mm hole, the 2-piece diamond hole-saw sets (ASINs B0D2WWQJJZ and B0D25KS896) stand out as the strongest fit. These specialized sets, which hold 4.6 and 4.5-star ratings respectively, provide the necessary precision for plumbing and faucet installations. By including a dedicated pilot drill bit, these sets address the common challenge of bit wandering on slick tile surfaces like porcelain or glass. While larger kits offer more variety, these 2-piece options focus entirely on the utility of the 28mm diameter, ensuring you have a spare bit on hand. Their design is optimized for accuracy, making them the most reliable choice for specific, high-precision tasks where the hole diameter is non-negotiable.

Deciding between these options depends on your project scope and tool inventory. If you are a DIYer or contractor who frequently works on diverse tile, stone, or glass projects, the 10-piece or 15-piece sets (such as B0G1S6ZJX3 or B08MCG68XG) offer superior value and long-term versatility, ensuring you have the correct size for any future diameter requirements. However, if your immediate need is limited to a single 28mm application, the 2-piece sets provide a more cost-effective and focused solution. Evaluate whether the convenience of an included carrying case for bulk sets outweighs the benefit of a smaller, dedicated pair that is easier to store for singular, recurring tasks.

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