Best Angle Grinder Drill Bits in 2026

1 pc 3 INCH Vacuum brazed diamond Dry drilling bit

Diameter 76mm, 5/8-11 connection, Total height 75MM, Max working depth 50mm, Diamond height 15MM

Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick...

☑Diamond Finger Bit Dimension: Diameter 1-3/8”(35mm), 50mm workable length, Connection 5/8"-11 thread,Total Length: 70mm, Grit #50/60.

☑High Performance：Vacuum brazed technology provide much longer working life (Generally 3-5 times), more Heavy Duty and wear Resistant than electroplated ones,provide very high efficiency,cuts faster,durable and sturdy.

☑Widely Applications: Recommended for enlarging, shaping and/or round bevel existing holes in porcelain tile, ceramics, bathroom tile,marble and countertop with ease,necessary to accomodate pipes or electric wire lines.

Diameter 152mm: 5/8"-11 thread, total length 75mm; diamond height 15mm; max working depth 50mm.

Dry or wet drilling for porcelain tile,ceramic, granite, marble, stone, ect.

Recommend Machine: 5/8" arbor angle grinder. Recommended RPM:3000. Maximum RPM:6000.If you fit them on hand drills, you need an adapter, such as SDS, hex, Round plus shank, etc.Do not use hammer mode.

2" Dry Diamond Core Drill Bit - Cutting holes for split AC units plumbing, shower/tub grab bars, shower plumbing, faucet, garbage disposal button and more projects

Excellent Hole Saw for Rough Materials – Fast clean cut through stucco, bricks, concrete, ceramic tile, porcelain, tabby stone, brick, mortar, granite, marble, quartz, etc. Both Dry and Wet will do, and vac will be helpful for dry drilling

Work with Angle Grinders and Electric Drills – Package including a 2 Inch Diamond Hole Saw with 5/8-11 female thread for most Angle Grinders, as well as an arbor to 3/8" Hex Drill Shank which can fit in Power Drills

Diameter 127mm, Total Length 60MM,Diamond Height 15mm, 5/8"-11 Thread

Vacuum Brazed Technology— Cuts faster, Durable and Sturdy.

Lightning Shape Design— Fast Removing Chips, Minimizing breakage, Less heat generation.

✔Size --2pcs/pack,1 1/8”(28mm), diamond height 10mm, total length 65mm,Triangle shank diamond core drill bit

✔Wide Applications --Diamond core bits are worked great for dry drilling holes through hard porcelain tile, ceramics,bathroom tile,granite & marble, masonry, concrete, glass, hard plastic with ease. Using water could prolong the lifetime

✔Super Quality Raw Material --Using vacuum brazed technology ,which increases resistance to temperature and friction,to make the diamond particles better attach to the core steel,imporve the performance and lifetime.Constructed with high grade diamond grit for effortless cutting and improved durability in tough applications.High-quality core steel body helps to be more efficient and durable, not easy to deform

【Size】Diameter: 2" (50mm), Threads: 5/8"-11, Grit: #80, Degree: 60, Total length: 55mm, Working Depth:46mm, Hex Shank Adapter Dia: 3/8" (10mm)

【Function】It is a versatile milling bits designed to enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, Granite, Tiles and Marble. The beveling chamfer bit is a must have tile tool. Also easily create round shape indentation to accommodate pipes or electric wire lines

【Fit for】The Diamond Chamfer Bit is with 5/8"-11 Thread for most Angle Grinders, and package also includes a 3/8” Hex Shank Adapter for most electric or hand drills

【FUNCTION AND USED FOR】 This diamond countersink drill bits is designed to enlarge, shape and trim the EXISTING HOLES in porcelain tile, marble, ceramic, granite, etc.

【PREMIUM MATERIAL】 High hardness and strength. This diamond granite drill bit is made of premium diamond and durable metal. It uses these high quality raw materials to ensure more effective cleaning and trimming.

【YOUR CHOICE】 The diamond beveling chamfer bits is a great choice for you that you can use it to make holes of many different sizes, and no need to purchase several bits.

✔Size --1pc 3/8"(10mm), 40mm workable length, 5/8-11 Thread, Grit #45/50, toal Length 65mm

✔Wide Applications --Recommended for enlarging, shaping and/or round bevel existing holes in porcelain tile, ceramics, bathroom tile,marble and countertop with ease,necessary to accomodate pipes or electric wire lines

✔High Performance --This diamond milling bit helps to be durable and have a long sevice life , you could make hole smoothly with no wandering

Versatile Finger Bits designed to Enlarge,Shape and/or Round Bevel existing holes,and also can create and shape half-moon side indentations necessary to accomodate pipes or electric wire lines

Save your money, only 1pc Core Bit and this diamond milling bit,you can create many holes of different sizes without buying any other diamond hole saws in different sizes

Dry and wet use in Porcelain,Ceramic,Granite, Natural Stone,Stoneware,Marble,Marble Tile,Single-fired tiles,Double fired Glazed tile,etc

SPECIFICATIONS: With a working size range of 3mm - 19mm, the ARES Internal Deburring and Chamfer tool features a heavy duty die cast housing with a black oxide finish for durability and high-speed steel blades that clean and repair the inside edges of pipes and new cuts quickly and safely. This tool utilizes a ¼-inch hex shank with a quick release design for use with standard drill chucks, bit couplers, and impact drill drivers.

DESIGN: Newly-cut pipes and bolts need an internal debur treatment to keep edges smooth to remove the risk of injury; while a file or angle grinder will do the job, our chamfer tool is much faster and more accurate. Fitted with six HSS blades, this deburring tool is a perfect complement to the essentials in a machinist tool box or construction site. **Ensure that appropriate eye protection is worn during use.**

VERSATILE: Our burr removal tool is suitable for use with a variety of materials, from plastics to metals, and even wood. Whether you need a deburring tool for metal or to smooth out a new cut in plastic or resin, this tool provides a safer surface and an extra level of polish to a fresh cut. This tool’s internal deburring design also allows it to punch holes in metals and other material, and it can even drill counter sinks.

【Specifications】Hole saw diameter:12.7mm|1/2", Diamond height: 8mm|5/16", Total length:67mm|2-5/8".

【Material】The diamond drill bit is made of high density and high hardness pure HHD90 diamond brazed to make cutting easier and smoother.

【Pure lubricating cream】Diamond Drill Bit contain pure molybdenum disulfide wax lubricant for durability during dry drilling.

Unique Ball Nose End Diamond Bit: Diamond Finger Milling Bit is perfect for jobs to enlarge, and shape circular holes, drain holes in tiling projects in bathroom and kitchen to fit tiles perfectly around pipes, faucets, shower valves; Unique Ball nose end design can do more things than flat ones,

Designed for Hard Materials: This Diamond Hole enlarger bit works perfectly for enlarging or trimming holes in porcelain sink, limestone vanity sink top, ceramic bathroom sink, thick granite countertop, marble, stone, even quartz countertop, which is harder

A Tool to Save you Time and Money: when you upgrade or replace the bathrooms faucets, you may find the new faucets are a bit larger than the old ones, with this Diamond Finger Milling Bit to enlarge the hole in a minute, you can save a lot of trouble and time and money

☪Upgraded Dry Drilling Design : Mgtgbao Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface; Water can be used as additional cooling to prolong the life of the bit. Surface plating can prevent the drill bit from rusting.

☪Multiple Size Dry Diamond Core Drill Bit: The diamond drill bit set contains 6 pieces of dry diamond bits different sizes, including 1pc 3/16” (5mm), 2pc 1/4” (6mm), 1pc 5/16” (8mm) , 1pc 3/8” (10mm), 1pc 1/2” (12mm) fit your need.

☪Widely Compatibility: black diamond drill is designed in round shank, which is compatible with most machines, such as hand drill, angle grinder, bench drill, also can be matched with side flutes help to remove debris and drill holes smooth and fast; Depth mark is also useful for precise project.

Heavy duty. pro grade, vacuum brazed diamond hole saw for quartz, granite, concrete, cinder block, brick drilling.

Diameter is 1-3/8 inch with 5/8 inch - 11 threaded connection, maximum depth of cut is 1-3/8 inches.

Diamond vacuum brazed commercial grade, long life diamond core drill bit hole saw. For heavy duty professional applications.

[Wide Application] --Worked great for dry drilling holes through porcelain tile shower walls, ceramics, bathroom tile,marble granite,stone,masonry,brick,stucco,counter top with ease,Using water could prolong the lifetime.You could use our diamond drills to make holes for installing faucet,handles,shower doors,grab bar,brackets,garbage disposal button, soap dispenser,etc

[Size] --1pc 1-1/4"(32mm), diamond height 10mm, total length 60mm, 5/8-11 thread Connection,diamond grit #35/40

[Vacuum Brazed Technology] --Increases resistance to temperature and friction,provide 5x the working life compared with electroplated bits,more heavy duty and wear resistant.High-quality core steel body helps to be more efficient and durable,not easy to deform

Diamond Beveling Chamfer Bits: diamond cone grinding bit measures approx. 1-7/8 inch (48 mm) in diameter, the thread is 5/8 inch-11, the grit is #80 and the degree is 60, suitable for 5/8 inch-11 thread angle grinder, equipped with a 5/8-11 inch thread adapter for drill

Diamond Milling Bits: the diamond milling bit measures approx. 3/5 inch (15 mm), the machinable length is approx. 40 mm, 5/8-11 thread, grain size 45/50, and overall length is about 65 mm

Create Holes of Different Sizes: with this standard diamond coring bit and diamond milling bit, you can easily create many holes of different sizes (0-2 inch) without buying multiple different coring bits, saving time and effort

【Premium Material】 This granite bit is made of high quality diamond and durable metal. High in hardness and strength, it uses these high-quality raw materials to ensure more efficient cleaning and trimming.

【Product Size】 Dia: 3-1/4" (82mm), Threads: 5/8"-11, Grit: #80, Degree: 60.Spare attachment: Come with a 5/8-11 threads connection rod.

【Function and Used For】This diamond countersink drill bits is designed to enlarge, shape and trim the EXISTING HOLES in porcelain tile, marble, ceramic, granite, etc. And also suitable to easily shape side indentation required to pipes or electric wires.

✓Longer Working Life & Save Money Countersink Drill Bit - This diamond beveling chamfer bit is made of high quality diamond and durable metal. High in hardness and strength, even diamond particle will bring a smooth beautiful hole finish. The high quality of the diamonds provides longer working life. You can use it to make holes of many different sizes(0-2"), no need to purchase several different core bits.

✓Easy to Use & Save Time Countersink Drill Bit - The KEMIVTON diamond beveling chamfer bit designed to enlarge , shape and/or round bevel existing holes in ceramic, glass, granite stone tile marble etc. Perfect combination of the cutter head and the base, the vacuum brazed diamond countersink drill bit is very useful to improve the edge finishing of exposed holes.

✓Countersink Drill Bit - Reduce risk of material cracking - KEMIVTON diamond beveling chamfer bits is a 60 degree diamond cones beveling bit, degree 60 inclined surface relieves pressure on chamfers, helping to reduce risk of cracking with standard and large format tiles subjected to tension to ensure more effective cleaning and trimming. Because it deduces heat buildup, so the faster the diamond drill bit spun, the better diamond milling bits works.

Professional Grade 1 inch Diamond Core Hole Saw.

Permanent Diamond Coating with Vacuum Brazed Technology

Secure 5/8"-11 Threaded Connection for Angle Grinders

【Size】：Dia 50mm(2"): workable length 46mm; 5/8-11” thread; Grit #80; Angle: 60 degree

【Application】:The beveling chamfer bit designed to enlarge or trim round holes in ceramic, glass, granite stone tile marble etc. Also suitable to create round shape indentation to accommodate pipes or wires.

【Save your money】:one standard core bit can create many holes of different sizes(0MM-50MM). without buying several different core bits.

Exceptional Quality Pro Series Diamond Core Hole Saw 3 Inches

Drill 100+ Holes with A Single Tool, Ultimate Performance Dry or Wet Use - Fast and Clean Holes in Seconds

Secure and Strong 5/8"-11 Threaded Connection for Angle Grinders

✔Size --1pc Diameter 5/16 Inch x Diamond workable length 4 inch (8x100mm), 5/8-11 Thread,Total length 130mm,diamond grit #45/50

✔Wide Applications --Very useful for mortar raking and brick removal,removing old mortar prior to repointing or removing blown, damaged bricks or natural stone

✔High Performance --Compared with electroplating process, our diamond has higher exposure, which helps to improve efficiency and service life

High-Quality, Professional-Grade Diamond Hole Saw: Our 4-inch diamond hole saw features pro-grade quality and utilizes vacuum brazed technology for exceptional performance and durability.

Versatile and Efficient: With high-speed drilling capabilities, this diamond hole saw can handle a wide range of materials, including concrete, granite, quartz countertops, porcelain ceramic tile, brick, cinder blocks, and pavement. It's a versatile tool that can be used for various applications.

Increased Cutting Depth and Threaded Connection: Enjoy an increased depth of cut of 1-3/8 inches, allowing you to tackle thicker materials effortlessly. The 5/8 inch - 11 threaded connection ensures a secure and stable fit. We also provide an adapter for drill chuck inclusion, making it compatible with standard 1/2 inch drills.

[Size Diamond drill bit set]--4/5" 1" 1-3/8" 2" 4"(20/25/35/50/100mm), diamond height 10mm, total length 60mm,5/8-11 thread tile drill bits,SDS-Plus adapter

[Size Diamond finger bit]--4/5"(20mm), 50mm workable length, 5/8-11 Thread milling bit, Grit #45/50, toal Length 65mm,Chamfer Angle:flat straight head

[Wide Application] --Worked great for dry drilling holes through porcelain tile shower walls, ceramics, bathroom tile,marble granite,stone,masonry,brick,stucco,counter top with ease,Using water could prolong the lifetime.You could use our diamond drills to make holes for installing faucet,handles,shower doors,grab bar,brackets,garbage disposal button, soap dispenser,etc

Professional concrete hole saw, 1 inch diameter. Tool life(for reference):10 to 20 holes with water in marble.

Heavy duty 1 inch diamond hole saw for concrete, 3/8" shank, fit most electric drills. Not used in hammer drilling.

Increases hole saw body height, up to 2 inch for deeper cuts. Good 1" granite countertop drill bit.

Diameter 25mm(1"), 50mm workable length, Connection 5/8"-11 thread,Total Length: 65mm,Grit #45/50

It is not designed to make holes but to shape and enlarge existing holes in ceramic tile porcelain marble granite.

Just one standard core bit plus one our finger bit, you can create many different hole sizes, without buying several different core bits.

Angle Grinder Different Thread Diamond Drill Bit Adaptor Mandrel

Material. High carbon steel

Overall length:1.65inch( 42mm) Thread length: 0.6inch(16mm)

👉Size --Diamond drill bit with 20 25 35 50 75 100mm,diamond height 10mm, total length 60mm, 5/8-11 thread of the tile drill bit, each size 1pc.

👉Wide Application --Worked great for porcelain tile, ceramics, bathroom tile,marble, granite,stone,masonry or brick, using water could prolong the lifetime.

👉Super Quality Raw Material --Using vacuum brazed technology, the diamond particles attach to the core steel firmly, imporve the performance and lifetime.High-quality core steel body helps to be more efficient and durable.

[Size Diamond Cone Tile Bit] --1pc 1-3/8 Inch (35mm)calidad tools tile cone, 35mm workable Depth, 5/8-11 Thread, Grit #80, total Length 45mm,Top Angle 53 degree

[Wide Applications] --diamond cone tile bit is designed to trim,enlarge,shape,round bevel existing holes in tile,Porcelain, Granite and Marble.cone drill bit is very useful to improve the edge finishing of exposed holes,reduce the risk of cracking with standard and large format tiles subjected to tension (ex tightened plumbing, led lights etc),Bevel Ease chamfers and stress relieves rough holes in glass,ceramic and porcelain tiles.

[Save your money] --Using our tile cutting tools to expand existing holes to different sizes or shapes(0-50mm), no need to buy several core drill bits,which will save your money greatly!