Tile Drill Bits M14 Diamonds of 2025
Best Choice1
RUBIRUBI | Dry Drilling in Ceramic, Porcelain, Natural Stone and Other Material | Operating Speed 14,000 r.p.m | DRYGRES Drill BIT (MÁX. Ø 83 MM.)
Main highlights- For drilling holes in tiles. (MÁX. Ø 83 MM.)
- DRYGRES diamond drill bits are made for dry cutting and can be used, thanks to their connection with a M14 thread, directly with a grinder or non-percussive power drill, by using the drill adaptor (ref. 05976).
- Diamond drill bits are made for dry cutting and can be used, thanks to their connection with a M14 thread, directly with a grinder or non-percussive power drill, by using the drill adaptor (ref. 05976).
- ️ Maximum operating speed 14,000 rpm M14 thread finish. Usable with grinder (direct connection) or electric drill (adapter ref. 05976). Supplied in blister.
- The average life of the DRYGRES drill bits varies according to the diameter. In diameters of 6-12 mm the average life is 25 holes and in the DRYGRES from 20-75 mm the average life is 60 holes.
9.7Exceptional
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Value for Money2
MINLAYCUTMINLAYCUT Tile Glass Drill Bits - 12PCS 3/16"-3/8" Diamond Drill Bits Set for Procelain Ceramic Tile Glass Wood Plastic PVC,Drill Bit with 1/4 Inch Quick Change Hex Shank
Main highlights- 【Why choose us】Tile Bits:Cooling wax,8MM diamond length,High quality diamond tips.Glass Bits:The tip of the drill is welded with high-grade industrial grade tungsten carbide.Longer life.It can assist other drills for accurate drilling and positioning.ph2 bits:Long-lasting use without chipping.Wear-resistant.Suitable for high intensity work.
- 【Size】Complete Set: This 12-pack includes sizes 3/16" (5mm), 1/4" (6mm), 5/16" (8mm), 3/8" (10mm),drill bit*10,ph2 bits*2. The kit is versatile enough to meet a wide range of drilling requirements.Please see pictures for more details.
- 【Machine】Compatible with electric hand drill,bench drill,etc.1/4 Inch Quick Change Hex Shank, suitable for quick installation.Easy to operate.If you have any problem when you use the product, please feel free to contact us for satisfactory customer service.
- 【Feature】Tile Bits:Smooth and fast drilling, cost saving and excellent value for money.Vacuum brazing technology processing gives the drill longer life.Glass Bits:The special head design ensures precise positioning,fast and efficient drilling,reduces wear and improves tool performance.ph2 bits:Strong suction power, work more efficiently and screw up screws easily.
- 【Application】Tile Bits:Ceramic Tile,Porcelain Tile,Marble,Granite,etc.Glass Bits:Glass(drilling with water is recommended),Wood,Plastic,PVC,etc.ph2 bits:This is the screwdriver bit that is mounted on top of the hand drill to screw in Phillips screws.One kit for most of your drilling needs.
9.5Excellent
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3
KEWAYOKEWAYO 35mm Diamond Core Drill Bit - Vacuum Brazed Tile Hole Saw with M14 Thread & Hex Shank Adapter - for Porcelain, Ceramic & Glass Tiles (Dry Use)
Main highlights- The product is made of high-quality materials with a thick coating layer for improved wear resistance and long-term use life with large torque for smooth drilling without broken edges
- M14 thread makes the drill suitable for all angle grinders so you can get your job done in no time with ease
- M14 thread diamond drill Bits are dry drill bits that drill cleanly tile and marble without burrs to ensure more efficient work
- Diamond tile perforation for smooth, clean holes without burrs for wall holes to hang things or install faucet in the bathroom, etc
- Diamond tile drill is an ideal choice for drilling tile, glass, porcelain, marble, granite and other materials to meet your different needs
9.4Excellent
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4
HRTIUDSStep Drill Bit 20-35-50mm 2pcs – Diamond-Coated Multi-Layer Hole Opener for Metal, Tile, Marble & Concrete | Professional Chamfer Tool for Stone & Wood(M14)
Main highlights- The diamond stepped pagoda drill bit supports wet/dry drilling and fits type angle grinders (14mm/10mm shank). A conversion rod enables handheld drill use, while the conical design ensures efficient hole reaming and chamfering.
- The diamond core drill bit’s top-grade coating provides unmatched wear resistance. The multi-layer hole opener allows smooth, gradual hole expansion from 20mm to 50mm, perfect for tile, marble, and engineered stone.
- The Step Drill Bit 20-35-50mm features a multi-layer diamond structure with high-grade diamond particles for exceptional hardness. The lengthened threaded interface enhances durability, while the tapered reamer for metal & concrete ensures extended lifespan and precision cutting performance
- Ideal for professionals and DIYers, this multilayered cone reamer is a must-have for technicians and mechanics. Its ergonomic design and chamfer multi-layer tool functionality make it a versatile addition to any drilling tool kit.
- Designed for concrete, tiles, marble, and engineered stone, this hole expander excels in construction, decoration, and DIY projects. Three sizes (20mm/35mm/50mm) adapt to diverse needs, from plumbing to stone carving.
- 5. VERSATILE & COMPATIBLE
- 4. WIDE APPLICABILITY
- 3. DIAMOND-COATED PERFORMANCE
- 2. USER-FRIENDLY DESIGN
- 1. SUPERIOR CUTTING & LONGEVITY
9.3Excellent
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5
GenericDiamond Brazed Step Drill Bit 20mm 35mm 50mm Multi Layer Tapered Reamer for Tile Marble Concrete with Efficient Cutting, Incisive Chamfering, for Ceramic, Marble, M14 Shank
Main highlights- Wet and Dry Use: Designed for both wet and dry drilling, this diamond brazed reamer bit offers users the flexibility and convenience to choose their preferred drilling method without compromising tool performance or lifespan
- Versatile Applications: Offering efficient and accurate hole reaming, this multi layer tapered reamer features three different reaming sizes (20mm, 35mm, 50mm) to quickly and accurately enlarge holes, enhancing work efficiency
- Diamond Abrasive: Equipped with diamond particles, this step chamferer ensures incisive cutting edges, facilitating rapid and accurate drilling through various materials. It achieves aggressive hole expansion and precise chamfering
- Compatibility: Featuring a standard 14mm diameter thread on the shank, this reamer can be easily attached to 100 type angle grinders. A conversion rod is required for compatibility with handheld drill, ensuring adaptability to various power tools
- Brazed Reamer Bit: The step drill bit, undergone brazing, boasts high sharpness and wear resisting. Forged as a whole to achieve stable working and a long lifespan, offering efficient cutting and chip removal for a variety of applications
9.2Excellent
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6
YunseityStep Drill Bit, 3 Sizes 20mm 35mm 50mm High Sharpness Diamond Brazed Reamer Tapered with M14 Shank for Tile, Marble, Concrete with Diamond
Main highlights- [Wet & Dry Drilling Capability] Designed for both wet and dry drilling, this diamond brazed reamer bit offers users flexibility and convenience to choose their preferred drilling method without compromising tool performance or lifespan. it is suitable for edges processing on various hard surfaces.
- [Incisive Cutting Edges] Equipped with diamond particles, this step chamferer ensures incisive cutting edges, facilitating rapid and accurate drilling through various materials. it achieves aggressive hole expansion and precise chamfering.
- [High Sharpness & Wear Resisting] The step drill bit boasts high sharpness and wear . it offers efficient cutting and chip removal for a variety of applications, thanks to the brazing process and stable construction.
- [Efficient Hole Reaming] This multi layer tapered reamer features three different reaming sizes (20mm, 35mm, 50mm) to quickly enlarge holes accurately, enhancing work efficiency.
- [Easy Attachment & Versatile] Featuring a standard 14mm diameter thread on the shank, this reamer can be easily attached to 100 type angle grinders. it offers adaptability to various power tools with a conversion rod.
9.1Excellent
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7
ArflimarArflimar 2Pcs Diamond Beveling Chamfer Bit for Angle Grinders, 0-2" + 0-1.5" Dia Countersink Drill Bit, Punching Expanding Drill Bit for Tile Ceramic Beveling Holes Trimming, for M14 Thread Adapter
Main highlights- Versatile Applications: This Diamond Beveling Chamfer Bit excels in reaming, trimming, chamfering, and polishing. Ideal for processing various materials, including stone and ceramics, it’s for both professional and DIY projects
- Innovative Bevel Design: The bevel design reduces pressure, making it easier to enlarge, grind, and polish existing holes with precision
- Exceptional Quality: Featuring a durablitily diamond coating, this bit offers precision and longevity, making it an valuable tool for professionals and enthusiasts alike
- Effortless Operation: The built-in cooling wax allows for dry use, no water needed during grinding. This feature simplifies the process and enhances convenience when creating openings
- Compatibility: Designed for easy installation on 140mm angle grinders or electric hand drills. You can attach it directly or use an extension rod for added flexibility
9.0Excellent
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8
BoschBOSCH PTBX05 5 pc. Porcelain Tile Drill Bit Set
Why we love it
Optimized for hard materials like granite.
Carbide tips ensure longer lifespan.
Hex shank for secure fit.
8.9Very Good
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9
FASTVENIENT20% OffFASTVENIENT Diamond Drill Bits Set,5pcs Tile Hole Saw,Diamond Hole Saw Size(3/16”,1/4”, 5/16” 3/8”, 1/2”),1/4 Inch Hex Shank for Glass,Ceramic,Porcelain,Tiles,Marble Brick,Granite,Quartz Pots,Acrylic
Why we love it
Effortless cutting with high-grade diamond grit.
No water needed for cooling.
Versatile for multiple materials.
8.8Very Good
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10
PLJKHIU1pc Dry Diamond Drilling Core Ceramic Tile Hole Saw Cutter Granite Marble Drill Bits Tiles Crowns with M14 Thread Opener(10mm)
Main highlights- Safety protection: When using a hole saw, appropriate safety equipment such as goggles, gloves, etc. must be worn to protect the eyes and hands from flying debris and potential injuries caused by the saw blade.
- Good cutting performance: Some hole saws adopt special designs, such as optimized tooth profiles and sharp cutting edges, which can achieve fast and smooth cutting, smooth incisions, and reduce the generation of burrs and debris. Some hole saws also have a fast chip removal function. By designing chip removal holes around the saw body, the wood chips, metal shavings, etc. generated during the cutting process can be timely discharged, which helps to improve cutting efficiency and quality.
- Cutting operation: Before starting cutting, conduct a trial cut on the waste material to adjust the cutting speed and pressure. When cutting, the drill bit should be kept perpendicular to the cutting surface to obtain a flat cut. For metal materials, it is recommended to use lower rotational speeds and slower feed rates to avoid overheating and rapid wear of the saw blade; For softer materials such as wood, the rotational speed can be appropriately increased. At the same time, stable pressure
- Correct installation: Ensure that the hole saw is correctly installed on the drill bit and secured with appropriate accessories (such as shafts, centering drills, etc.) to ensure the stability of the saw blade during rotation and prevent it from loosening or falling off.
- Choose the appropriate saw blade: Select a hole saw of the appropriate material and size based on the type and thickness of the material to be cut. For harder materials, tungsten carbide or bimetallic hole saws with higher hardness should be selected; For thicker materials, it may be necessary to choose a hole saw with a larger cutting depth.
8.5Good
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