Diamond Core Bit Hole M14s of 2025
Best Choice1
LEKOMESHDiamond Core Drill Bits Set - LEKOMESH Tile Hole Saw Kit (6/8/10/25/35/50/65mm+10mm Finger Bit+50mm Chamfer Bit+Adapter) for Porcelain Tile Ceramic Marble Brick Concrete,5/8"-11 Thread
Main highlights- 【TECHNOLOGY】This tiling installation kit is made of high quality diamond and steel by vacuum brazed diamond technology. Provide very high efficiency, drilling and milling faster, durable and sturdy.
- 【STORAGE】Portable bag included. For easy carry and storage and protect of the diamond tools.
- 【SIZE】10pcs in total: 7pcs 1/4"(6mm),5/16"(8mm),3/8"(10mm),1"(25mm),1-3/8"(35mm),2"(50mm),2-1/2"(65mm) diamond tile drill bits; 1pc 3/8"(10mm) finger bit; 1pc 2"(50mm) diamond beveling chamfer bit; 1pc Hex shank adapter.
- 【FEATURES】Fast and smooth drilling, long lifetime, less chipping. Recommended RPM is 6000; Maximum RPM is 11000, Widely used in Angle Grinder, if you want used on hand drill, bench drill, you can use the adapter included in the bag.
- 【APPLICATION】Dry drilling/milling/chamfering for porcelain tile, granite, marble, stone, masonry, brick... Wet drilling/milling can prolong the service life.
9.8Exceptional
View offer on:
Show more
How do we rank?
Using our advanced technology, we scan thousands of products and stores, analyzing reviews, ratings, and trends to find what matters most to users like you.Our team then reviews the data and real user feedback, combining AI and human insights to bring you real-time, top-rated recommendations to guide your decisions with clarity and confidence.
Value for Money2
DT-DIATOOLDT-DIATOOL Diamond Core Drill Bits Kit for Porcelain Tile Ceramic Marble Granite Concrete Hole Saw (19/28/35/45/51mm) + Finger Bits (20mm) + 2 Adapters
Main highlights- 【Specification】Totally 8pcs/box: 5pcs(19/28/35/45/51mm) drill bits + 1pc 20mm finger bit + 1pc hex shank adapter + 1pc M14 to 5/8"-11 adapter.
- 【Easy to use】Recommended machine: Angle Grinder. Recommended RPM 6000. Maximum RPM 11000.
- 【Durable and Sturdy】Vacuum brazing technology makes the diamond firmly bonded to the matrix, and the diamond exposure is higher, the processing efficiency is higher, and the service life is longer.
- 【Application】Core drills bits for dry or wet drilling holes; Diamond milling finger bit 20mm for grinding, enlarging or shaping holes on porcelain ceramic tiles, granite, masonry,marble,concrete,etc. Adapters change 5/8 Inch-11 thread to 3/8-Inch hexagon shank or M14 thread and allow your bits to fit a wider range of machines like hand drill.
- Hex adapter: 5/8"-11 male thread, 3/8" hexagon shank; M14 adapter: 5/8-11 male thread to M14 female thread;
- Finger bit: Diameter 20mm, 5/8-11 thread, total length: 65mm. Workable length 50MM, Grit #50/60.
- Drill bits: Diameter 19mm-51mm, 5/8-11 thread, total length 75mm(3 Inch);diamond height 15mm.
9.5Excellent
View offer on:
Show more
3
YOSIGHT3/8 Inch Small Diamond Hole Saw - 10 mm M14 Shank Diamond Core Drill Bit for Angle Grinder, Dry/Wet Hole Opener, Ideal for Tile Granite Marble Glass Ceramic Brick Stone
Main highlights- Vacuum Brazing: Using vacuum brazing technology ensures superior stability and durability, with excellent wear resistance and thermal stability; Compared to traditional coated hole saws, it offers a longer service life; It provides outstanding performance, with fast and efficient drilling, a smooth and steady drilling process, and clean, burr-free, and unbroken edges on the hole surface
- Premium Materials: Made from Alloy Steel and Diamond, these tools boast superior hardness, resulting in higher wear resistance; They can easily handle various hard materials without wearing down, ensuring durability; Additionally, their excellent hardness and strength prevent the tools from dulling quickly during use, maintaining long-lasting sharpness and enhancing cutting and drilling efficiency
- Equipped with Cooling Wax: The cooling wax is abundantly supplied, providing excellent cooling and lubrication for the hole saw; It effectively reduces tool wear and deformation, improves cutting efficiency and drilling precision, minimizes dust generation, and extends tool life; Especially during dry drilling, it can effectively replace water for cooling the drill bit
- Dry & Wet Use Hole Saw: Our diamond hole saw can be used for both dry and wet drilling, improving work efficiency and operational flexibility; Dry drilling is faster, while wet drilling helps reduce drill bit temperature and minimize wear caused by high temperatures, thereby extending its service life
- 3/8-Inch M14 Shank Hole Saw: M14 shank design meets international standards and is compatible with angle grinders; Sturdy construction with internal threads ensures a secure connection that withstands high pressure and torque; The 3/8-inch diameter is ideal for precise drilling in materials like Porcelain Tile, Ceramic Tile, Granite, Stoneware, Marble, and Quartz. Perfect for high-precision, small-hole tasks
9.2Excellent
View offer on:
Show more
4
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
9.1Excellent
View offer on:
Show more
5
Mgtgbao1Pcs Core Drill Bit Adapter M14 Female to 3/8" Hex Shank for Thread Diamond Hole Saw.
Main highlights- ➽Widely Use:Can fit M14 tools to your 3/8-Inch Hex Shank machine through this Adapter, for exmaple fit the M14 core bits to your Electric Drill with 3/8-Inch Hex Shank;
- ➽Size: M14 Female thread, Total length 72MM, shank length 45MM.
- ➽M14 thread core bits can be fitted on Hammer drill or electric drill with 3/8" Hex Shank arbor.
- ➽Application:Core Drill Adapter M14 female to 3/8" Hex Shank for Hammer Drill, Rotary Hammer Drill Core Drilling.
- ➽1PCS Adapters for core drill bit, Diamond Grinding Wheel...(Change Connection).
8.9Very Good
View offer on:
Show more
6
OTSYSM14 Angle Grinder 6-65mm Sintering Core Bit Diamond Hole Saw Drill Bits for Marble Granite Brick Tile Ceramic Concrete Drilling,12mm
Main highlights- 5. Easy to carry: The knives are packed in plastic boxes, which is convenient for storage and homework.
- 4. It is especially suitable for concrete exterior walls in building or decoration.
- 3. Grinding on marble, granite, Shi Ying, ceramics, artificial stone and glass,
- 2. It can be used for wet and dry purposes.
- 1. Smooth cutting, perfect cutting effect.
8.8Very Good
View offer on:
Show more
7
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
View offer on:
Show more
8
SemdermDiamond Drill bits, 15 PCS Diamond Hole Saw Drill Bit Set for Tile Pot, Glass Drill bits for Ceramic Bottles Porcelain Marble Granite Stone
Main highlights- 【Versatile Uses】Glass drill bits are used to drill Glass Ceramic Bottles Pots Porcelain Marble Granite Stone.
- 【Tips】Please keep adding water when drilling to extend the life.Besides the water lubrication will improve the drilling experience.
- 【Premium Quality】Hollow Core Drill Bit Set Coated with high quality diamond to improve drill efficiency and creates a sharp, high precision and smooth cut.
- 【Diamond Hole Saw 15 Sizes】 1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 11/16", 4/5", 7/8", 1", 1-10", 1-1/5", 1-3/8", 1-3/5", 2", to meet various drill needs.
- 【Diamond Drill Bits】These Diamond drill bits are made of upgraded carbon steel with smooth nickel plating surface to resist corrosion, sharp and durable without edge collapse.
8.4Good
View offer on:
Show more
9
RevvstarkDiamond Core Drill Bits 3/8 Inch (10mm) Tile Hole Saws Vacuum Brazed Diamond Hole Saw for Tiles Porcelain Ceramic Glass Marble Brick Granite Quartz, Dry or Wet Use, M14 Thread
Main highlights- Wide Application: Diamond hole saw are perfect for easy dry drilling on porcelain tiles, ceramics, bathroom tiles, marble, glass, granite, stone, masonry and brick; Mainly used for kitchen and bathroom renovation, installing faucets, soap dispensers and shower handles, water piping installation and more
- Vacuum Brazed Diamond Technology: Vacuum brazing technology is used to improve temperature resistance and friction resistance of diamond drill bits, high strength diamond brazed on the surface for fast drilling, heavy duty, more wear-resistant, more efficient, more durable and stronger than ordinary hole drill bit; High-quality matrix steel provides high-strength working support, which not only ensures the long-lasting performance of the core drill bit, but also improves the durability and service life
- Specifications: Diameter: 2 PCS/Pack, 10 mm (3/8 inch), Diamond Height：15 mm, Total Length: 60 mm, Thread: M14, Diamond Grit: #35/40
- High Performance & Speed and Smooth Cutting: The special U-groove tooth shape and chip evacuation design helps with chip evacuation and cooling, the wax inside the diamond core drill bit helps with cooling and lubrication, and the diamond pattern design ensures fast, smooth drilling, so you can quickly drill professional-grade, perfect holes with minimal swarf to avoid broken edges; This design minimizes overheating and reduces the risk of material damage
- Fit Machines: Diamond Core Drill Bit can be used on most angle grinders; If you encounter any problems when using the product, please feel free to tell us, we will provide you with solution
- Dry or Wet Use: The cooling wax inside the drill enables efficient dry drilling; Drilling with water further extends the life of the diamond hole saw drill bit and ensures that it can be adapted to a wide range of drilling conditions, from tile cutting to porcelain and artificial stone tasks, for the long term
8.3Good
View offer on:
Show more
10
MARSBASEMARSBASE Diamond Hole Saw Kit, 10 PCS Dry/Wet Brazing Tile Core Guide Jig Hollow Drill Bits Sets with Double Suction Cups for Ceramic, Glass, Porcelain, Marble, Granite
8.7 Simple to use8.0 Durability8.0 PrecisionWhy we love it
Durable diamond coating ensures precise, smooth cutting.
Dual-purpose design works with or without water.
Powerful double suction cups for stable drilling.
8.0Good
View offer on:
Show more
Similar products on Amazon
