Best Btblbits in 2026

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

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

【Used for】Very useful to improve the edge finishing of exposed holes.Diamond bit for a smooth, high-end finish.Bevel Ease chamfers and stress relieves rough holes in ceramic and porcelain tiles

【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

【Package content】：1pc 1" (25mm) Vacuum Brazed Diamond finger bit Diamond Milling bit for tile, stone, Porcelain Hard Ceramic Granite and Marble

【Size】：1" (25MM) Diameter, 2" (50MM) workable length, 5/8-11 Thread, Grit #50/60, total Length 2.6" (65MM)

【Application】: Versatile diamond finger milling bits are designed to enlarge, shape and round bevel existing holes in Porcelain, Hard Ceramic, Granite and Marble and is also suitable to create round side indentation necessary to accommodate pipes or electric wire lines

【Size】Diameter：3/8"(10mm)-1" (25mm), 50mm workable length, 5/8"-11 Thread, Grit:#50/60, total Length 65mm, Recommended 6000RPM,MAX RPM 11000;

【Function】Multi-function, for enlarging, shaping, edging, trimming, side grinding etc. in existing holes Ceramic, Tile, Porcelain, Marble, Granite and other materials.It is not recommended to drill as a drill bit

【Choice】Available in Two Diameters (10MM and 25MM) meet the different needs. You can use only one size core bit and this finger bit to create different size of holes

【Size】Diameter 1-1/2"(38mm),5/8-11 Threaded,Diamond height 10mm,Total height 60mm,3/8" Hex Shank drilling adapter

【Function】This 1-1/2" Dry Diamond Core Drill Bit is a great tool for cutting holes for split AC units plumbing, shower/tub grab bars, shower plumbing, faucet, garbage disposal button, gas forge and more projects

【Used for】The Diamond Hole Saw is great for drilling clean holes to tile,ceramic,granite,marble,masonry,concrete,stone,brick, and normal stone

【Size】Diameter 3/4"(20mm),5/8-11 Threaded,Diamond height 10mm,Total height 60mm,3/8" Hex Shank drilling adapter

【Function】This 3/4" Dry Diamond Core Drill Bit is a great tool for cutting holes for split AC units plumbing, shower/tub grab bars, shower plumbing, faucet, garbage disposal button, gas forge and more projects

【Used for】The Diamond Hole Saw is great for drilling clean holes to tile,ceramic,granite,marble,masonry,concrete,stone,brick, and normal stone

Package Content:8pcs in total; 6pcs Diamond drill bits 1/4", 5/16", 3/8", 1", 1-3/8", 2" (6/8/10/25/35/50mm), 1pc 2" (50mm) Diamond Beveling Chamfer Bit, 1pc 5/8"-11 to 3/8" Hex Shank Adapter

Material Compatibility:Diamond drill bit set for Wet/Dry Drilling/Shaping/Enlaging/Cutting on various materials,such as Porcelain Ceramic Tile Granite Marble Stone and so on

Durable and Sturdy:Vacuum Brazed technology provides high efficient working performance, faster drilling speed and longer service life

Manufacturer: Greenlee

Country of manufacture: China

Power Cutting & Sawing

Manufacturer: Greenlee

Country of manufacture: China

Power Cutting & Sawing

(A°) angle 49°

(B) Cutting height 3/64-3/8

(D) diameter 1/2

CONVENIENCE: Change Bits Without Re-Chucking

USE WITH: Made to Fit 1/4 In. Drills

PRECISION: Bit Design Features a Self Centering Function for Perfect Hole Drilling

DIY LOG FURNITURE KIT - Build log beds, end tables, chairs, coffee tables & more!

CUTS A 1", 1-1/2", and 2" TENON DIAMETER

CREATES A 60° TAPERED SHOULDER - A 60° tapered shoulder is a common with traditional rustic furniture. It has a look similar to the tip of a pencil

GET THE JOB DONE - Countersink circular openings in metal, plastic or wood with our hand reamer. It has a sharp, 90-degree angled blade, letting you work with efficiency and precision.

MADE TO LAST FOR LONGER - Have a reliable tool for years to come by choosing our hand reamer. Its extension telescopic holder is crafted from hardened steel to withstand regular use.

WORK IN COMFORT - To ensure you’re able to fix and build fixtures with ease, we designed the countersink tool with an ergonomic handle. This is to allow for a secure grip no matter the angle.

Top Quality M2 HSS

Drill accurate center holes in material prior to turning, or use as a starter bit for accurate holes

Sizes 1, 2, 3, 4 and 5, 60° tip angles.

(A°) angle: 49°

(D) diameter: 3/8

(D) shank: 1/4

Extreme Durability: Cobalt high speed steel drill bits along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.

Different Sizes of Holes Can Be Drilled: Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs.

Smooth Drilling: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).

Self-starting point starts on contact

Balanced double flute

Eliminates chatter and vibration

Drive Shank: 1/4 Inch Hex Power Bit Shank

Drill Size: 1/8 Inch

Counterbore Size: 3/8 Inch

【Depth adjustment does not require a wrench】 - Ezenkorea's Adjustable Depth Countersink Drill Bit is a game-changer for any workshop. No more fumbling with wrenches - our self-adjusting depth control allows for quick and accurate results with just a turn of the knurl. And with compatibility with top brands like Dewalt, Milwaukee, Makita, and Bosch, this versatile combo drill accessory is a must-have. Upgrade your drilling game and get Ezenkorea's Adjustable Depth Countersink Drill Bit today!

【To Prevent Scratches On The Surface】 - Get precise and reliable results every time with it. Its built-in stopper prevents scratches on the wood surface, while the predetermined depth ensures stable and accurate drilling. This versatile tool is perfect for drilling straight lines, and is a must-have for carpenters and woodworkers. And with its portable steel design, it's the best option on the market. Upgrade your woodworking game with Ezen's Countersink Adjustable Drill Bit today!

【Quick Set Up The Wood Working Depth】 - Take your woodworking to the next level with our cutie boy. Easily set the desired work depth for screws and wood thickness for precision results every time. This unique feature sets our product apart from others on the market. And for even more efficiency, use our bit with the Ezen Plug Cutter. When working with metal plates, be sure to purchase and use our metal kit for the best results. Upgrade your workshop with our Adjustable Drill Bit today!

Diameter (D) 1/4

Cutting height (B) 1/2

Shank (D) 1/4

☑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.

【 Exquisite workmanship】Durable taps are made of high speed steel, which can ensure sharp, fast execution and retain strength and efficiency. The surface is treated with a titanium alloy, which greatly improves the cutting performance of the drill, is more wear-resistant and prolongs the service life.

【Ergonomic design】The product portfolio includes SAE and metric sizes, so it has high versatility. Each tap drill is engraved with a label, which is convenient for you to choose the size that suits you. The convenient ¼-inch (6.35mm) hex shank has a tapered end to prevent excessive knocks. Back taper exceeds the tap to prevent over-drilling and damage to the thread.

【High efficiency 】 They are taps with drilling function, three-in-one operation, which can drill, tap, deburr and counter holes on copper, brass, aluminum, metal sheet and plastic at the same time, so as to quickly , Complete work completely, greatly save processing steps and time costs, and improve work efficiency.

Self-starting point starts on contact

Balanced double flute

Eliminates chatter and vibration

COMBINATION TAP/DRILL BIT: Completes hole drilling, tapping, deburring, and countersinking in a single operation with a power drill to save time and labor

TAPS A VARIETY OF MATERIAL: Built to tap up to 10-gauge metal including mild steel, copper, brass, and aluminum

OPTIMUM PERFORMANCE: Back-tapered beyond tap design prevents thread damage from over-drilling, and high-quality hex shank ensures a strong connection to the drill chuck

【IDEAL COMBO SET】 7 countersink drill bits size of Ø7/64”(3mm), 5/32”(4mm), 13/64”(5mm), 1/4”(6mm), 9/32”(7mm), 5/16”(8mm) combine with Ø19/32”(15mm) countersink pedestal, 13/32”(10mm) combine with Ø45/64” countersink pedestal. 3 countersink bits with most commonly-used sizes of Ø12mm(1/2"), 16mm(5/8"), 19mm(3/4") A 1/10”(2.5mm) Free Hex Key Wrench Plus. Come with a portable plastic case for easy convenient select, storage and organization.

【PREMIUM QUALITY】Made with industrial grade high-carbon steel, great hardness provides sharp edges, high strength takes bits with superior cutting capactiy and durability. Ideal for household woodworking and DIY Projects.

【EFFICIENT DESIGN】For 7 countersink drill bits, 3-point tricuspid ensures drill process accurate and fast, no offset, slip and bias during drilling; 2-spiral flute makes chip removing easy and efficient. For 3 countersink bits, 90°on the point & 1/4" hex shank for quick change make the countersink process convenient. All drill bits get 5-edged chatter-free chamfer cutter pedestal design makes countersink precise and smooth. All cutting edge are well hardened and honed for sharpness.

Countersink drill bit set for wood with tapered drill bit , 4 Flute countersink cutter #45 Carbon Steel, tapered countersink set features 3 Piece drill set All Same Size drill bits with countersink #6 (9/64") Adjustable wood countersink, 1 Hex Wrench (1/8" Allen Key). Counter-bore, and wood plugs size 3/8 inch. Hex shank compatible with 1/4" standard Quick Change chuck including impact drills. FTG 2327 drill bit set hex shank

Wood drill bit set with counter bore chamfer angle 82 degree, smooth countersinking in hard and soft wood, tapered holes for screws. Adjustable countersink drill bit with quality built depth adjustable counter bore attaches to flat on shank with 2 hex screws for controlled pilot hole depth. Best adjustable wood countersink drill bits set ideal for woodworking. Countersink tool set made with countersink bits for wood

Tapered drill bits pointed tip and wide flute for drilling fast, clean pilot hole, ensures tight fit for screws. Countersink hex drill bit set with tapered drill bit can be replaced with FTG replacement taper drill bits countersink for extended wood bit. Countersink drill bits for wood made to drill, countersink, and counter-bore in 1 step sink counter set. Counter sink bits designed as to work as wood drill bits

Countersink drill bit set for wood with tapered drill bit , 4 Flute countersink cutter #45 Carbon Steel, tapered countersink set features 3 Piece drill set All Same Size drill bits with countersink #4 (7/64") Adjustable wood countersink, 1 Hex Wrench (1/8" Allen Key). Counter-bore, and wood plugs size 3/8 inch. Hex shank compatible with 1/4" standard Quick Change chuck including impact drills. FTG 2326 drill bit set hex shank

Wood drill bit set with counter bore chamfer angle 82 degree, smooth countersinking in hard and soft wood, tapered holes for screws. Adjustable countersink drill bit with quality built depth adjustable counter bore attaches to flat on shank with 2 hex screws for controlled pilot hole depth. Best adjustable wood countersink drill bits set ideal for woodworking. Countersink tool set made with countersink bits for wood

Tapered drill bits pointed tip and wide flute for drilling fast, clean pilot hole, ensures tight fit for screws. Countersink hex drill bit set with tapered drill bit can be replaced with FTG replacement taper drill bits countersink for extended wood bit. Countersink drill bits for wood made to drill, countersink, and counter-bore in 1 step sink counter set. Counter sink bits designed as to work as wood drill bits

Material: Titanium Combination Drill taps are made of HSS 4341, High hardness, rustproof, solid and durable; Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you.

Easy Use: Fast replacement composite cone, uses drill edged principle. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.

Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5.Shank:1/4 inch (6.35mm) hex quick-change shank, fit Electric hand drill, impact drill, bench drill, electric screwdriver and other tap machines.

【IDEAL COMBO SET】 A set of countersink drill bits with 7 drill size, Ø7/64”(3mm), 5/32”(4mm), 13/64”(5mm), 1/4”(6mm), 9/32”(7mm), 5/16”(8mm) combine with Ø19/32”(15mm) countersink pedestal, 13/32”(10mm) combine with Ø45/64"(18mm)” countersink pedestal. A 1/10”(2.5mm) Free Hex Key Wrench Plus. Come with a portable plastic case for easy convenient select, storage and organization.

【PREMIUM QUALITY】Made with industrial grade high-carbon steel, great hardness provides sharp edges, high strength takes bits with superior cutting capactiy and durability. Ideal for household woodworking and DIY Projects

【EFFICIENT DESIGN】3-point tricuspid ensures drill process accurate and fast, no offset, slip and bias during drilling; 2-spiral flute makes chip removing easy and efficient; 5-edged chatter-free chamfer cutter pedestal design makes countersink precise and smooth. All cutting edge are well hardened and honed for sharpness.

The product is #6 drill driver

The item is not “Impact Ready” and only to be used with a regular drill chuck, not an impact driver

The product is manufactured in China