Diamond Coated Grinding Drill Bits of 2025
Best Choice1
Clicked 1 times in the last monthDKITDBITDiamond Coated Finger Bit, 3/4" Tile Milling Bit to Enlarge Grind Polish Shape Holes on Porcelain Ceramic Marble Granite Tile Countertop, with 5/8-11 Thread to 3/8" Hex Shank Adapter, Diameter 20mm
Main highlights- γRecommendationγ: For the best durability, we recommend only use this diamond finger bit to enlarge, shape, or round predrilled holes; and an RPM between 6000 to 11000 for optimal performance.
- γFunctionsγ: With our diamond finger bit, you can easily enlarge, shape, or round existing holes to create perfect smooth holes in different sizes.
- γFeaturesγ: Diamond Core Drill Bit with advanced Diamond coating ensures high efficiency and long life, diameter 3/4 inch (20mm), work length 50mm, total length 65mm.
- γEasy to Operateγ: Our 3/4" finger bit (20mm) work with standard grinders with 5/8 inch-11 thread; there is a 5/8-11 Thread to 3/8" Hex Shank adapter included, so it will also work with most electric drills.
- γApplicable materialsγ: This 3/4" finger bit is suitable for shaping holes on porcelain hard ceramic marble granite tiles and other natural stones; fit both dry and wet applications
9.8Exceptional
View offer on:
Show more
- Curious about how we select the top products for you? Explore How It Works
Value for Money2
FACHLICHFACHLICH 20mm Diamond Milling Bits for Porcelain Ceramic Marble Granite Existing Holes Enlarging Shaping
Main highlights- Produced in vacuum brazed technology which could provide high efficient working performance
- Grit #50/60 provide you great finishing; With 5/8"-11 thread, used on angle grinder, very easy to operate
- Enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, marble and granite
- Diameter: 20mm, Workable length: 50mm, Grit: #50/60, Total length: 65mm
- 20mm vacuum brazed Milling Bits for porcelian tile granite and all similar material
9.7Exceptional
View offer on:
Show more
3
YURINWOODiamond Drill Grinding Bit Set, Stone Carving Rotary Tools Polishing Kits Diamond-Coated with 1/8-inch Shank Universal Fitment for Stone Glass Ceramics
Why we love it
Versatile for multiple tasks.
Durable and long-lasting.
Compatible with most tools.
9.4Excellent
View offer on:
Show more
4
Lala Smill60 Grit Diamond Coated Grinding Bit Sets, 1/8" Shank Cylinder Head Rotary Diamond Grinding Burrs 3mm 4mm 5mm 6mm 8mm
Main highlights- πΉπΉ. These Grinding drill bits compatible with most universal power rotary tools, fits most of the electric machine, engraving machine, hanging machine, pneumatic engraving pen.
- πΉπΉ. Shank diameter of Diamond Burrs : 1/8 inch (3 mm), Mini diamond mounted grinding head perfect for jade grinding, mold repairing, glass carving, cast cleaning, burr welding, polishing .
- πΉπΉ. Rotary diamond bits are great for Grinding most hard materials such as iron , glass, ceramics, tile, brick, fiberglass, stone, rock carbide, gold, platinum, silver, metals
- πΉπΉ. Good gift for DIY enthusiast hobbyist or craft fan, wear-resistant, maintain sharpness, not easy to fall off.
- πΉπΉ. Cylinder Head Shape ,60 Grit grinding bits, grinding head diameters : 3mm 4mm 5mm 6mm 8mm . Great for shape curves in stained glass .
9.3Excellent
View offer on:
Show more
5
GOXAWEE60 Grit 20Pcs Diamond Burr Set - GOXAWEE Rotary Grinding Burrs Engraving Bits Set with 1/8-inch Shank, Diamond-Coated Stone Carving Accessories Bit Universal Fitment for Rotary Tools
Main highlights- Gifts for Men Gifts for Dad Dad Birthday Gift Father's Day Gift
- β MULTI-PURPOSE: Diamond Grinding Head Burr uses on stone, glass, wood, tile, ceramics, marble, granite and other hard materials
- β MULTI-FUNCTION: GOXAWEE Diamond burr bits have 10 different grinding bits for abrasive, engraving, cutting, polishing, carving and etching
- β EXQUISITE PACKAGING: 20Pcs Diamond rotary burr set of higher quality is orderly packed in a nice bag as shown, easy to place and carry
- β COMPATIBILIBY: Universal 3mm (1/8") shank grinding drill bits fit for GOXAWEE G4007, G4115, G5225 and most rotary tools or die grinders
- β 60 GRIT: #60 Grit Diamond Rotary Grinding set, rougher surface which are quicker than the larger grit burrs when Sanding, Polishing and Engraving.
9.2Excellent
View offer on:
Show more
6
FOTYBEIDiamond Grinding Burr Drill Bit Set for Dremel Rotary Tool 20Pcs Diamond Burr Bits with 1/8 Inch Shank Rotary Tool Accessories for Stone Glass Ceramics Carving, Grinding, Polishing, Engraving
Why we love it
Works on multiple materials.
Includes diverse grinding bits.
Compatible with popular rotary tools.
9.1Excellent
View offer on:
Show more
7
NACX20Pcs Diamond Grinding Bits, 12mm Cylinder Head, 1/8 Shank, 45mm Long Diamond Coated Burr Mounted Point
Main highlights- The diamond grinding head is made of diamond particles and is plated.
- Suitable for fine detail work, cutting, engraving, carving, finishing, jade grinding and mold repair.
- Size: Head Diameter: 12mm/ 0.47"; Shank Diameter: 3mm/ 1/8"; Length: 45mm/ 1.77"
- Ideal grinding tool for jade, ceramic, glass, wood, precious stones and other abrasive materials.
- Can be installed on electronic grinders, engraving machines, hanging grinders and hand drills.
9.0Excellent
View offer on:
Show more
8
OudtinxOudtinx 50pcs Diamond Coated Grinding Head Grinding Burrs Set for Dremel Rotary Tool
Main highlights- Various Shapes meet your different needs, Such as,Cylinder head, cylinder, sphere, umbrella, bullet, Ding sheet type, inverted ladder, needle tip.
- Suitable for Grinding field stone, ceramics, glass, carbide, tile, marble, jewelry or rock
- Material: Diamond,Alloy, Color: Silver Tone as shown on the picture.
- Diameter of shank: 1/8 Inch,Grit: 120
- Designed for Rotary Tools including Dremel.
8.7Very Good
View offer on:
Show more
9
Lala SmillSet of 20 1/4" Shank Diamond Coated Grinding Burrs Sets, 60 Grit Diamond Mounted Points Carving Bits Grinding Bits Grinding Head for 1/4" Die Grinder/Cordless Drill
Main highlights- Suitable for grinding hard materials such as iron, glass, ceramics, tile, brick, fiberglass, stone, rock carbide, gold, platinum, silver, and metals
- Shank diameter: 1/4 inch (6mm), head diameter: approx 6mm - 10mm; Suitable for jade grinding, mold repairing, glass carving, cast cleaning, burr welding, polishing
- Multiple head shapes available: sphere, cylinder, bullet, and taper; Facilitates various tasks like drilling holes, grinding, and graving
- Durable and sharp: Wear-resistant, maintains sharpness, and reduces the chances of falling off; Note: Use water as a coolant for smooth operation
- Compatible with most electric machines, rotary drills, and grinders with 1/4 inch (6mm) shank
8.6Very Good
View offer on:
Show more
10
DT-DIATOOLDT-DIATOOL Diamond Finger Bit Coated Milling Bit for Tile Grinder Enlarging Polishing Holes on Porcelain Ceramic Granite Marble Countertop Diameter 6-25mm, 5/8 inch-11 Thread
Why we love it
Works on multiple materials.
Smooth and precise hole finishing.
Durable and long-lasting performance.
8.5Good
View offer on:
Show more
Similar products on Amazon
