Top 10 Best 20mm forstner bit in 2026

Last Updated - 6/12/2026

🏆Best Choice

Freud

Freud PB-005: 3/4" (Dia.) Forstner Bit

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Specs: Diameter 3/4", Length 3-1/2", Rotation RH, Shank 3/8"
•Razor sharp serrated edge for fast and flawless cutting
•Quality Forged Construction for extended life
•Ultra Sharp Spur to ensure an accurate starting hole
•Steep Angled Cutting Edges – produce holes that are smooth and flat, and create “chisel-like" curls for fast, clean chip removal.
•Freud's Limited Lifetime Guarantee

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$11.42

$16.44

-31%

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RURITKIT

20mm (13/16") Forstner Bit for Woodworking,20mm (13/16") Forstner Drill Bit for Wood,Wood Drill Bit Woodworking Hinge Cutter Tool for Woods Plywood Plastic

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•【Top Material】Our forstner drill bits made from high quality ASTM 5140 Steel, solid hardened steel body, ensuring its high hardness, rust proof and and long lasting sharpness.
•【Product Size】Drilling Dia.: 20mm(13/16"), Hex Shank Dia.: 1/4 Inch, Total length: 3-9/16 Inch.Fits for all drill drivers and drill presses with 3/8" chuck or larger.
•【Features】This forstner bit designed with center-positioned teeth and unique ultra-sharp serrated edge, enables it can cut through hard and soft woods smoothly and efficiently. Universal hexagonal shank is easy to install and tighten, preventing the drill bit from slipping.
•【Widely Use】Can be used for drilling flat-bottomed and pocket holes on wood and plastic products, furniture, door hinge, desk. Used on cutting wood, plywood, solid wood boards, MDF, plastics, etc.
•【Reminder】The small-sized forstner bit can be used under a normal handheld drill. But for large-sized forstner bits (≥2 Inch), it is best to use a machine with good fixing performance for drilling operations, such as drilling machines, bench drills, vertical drilling machines, vertical electric drills, etc.

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$8.59

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STORMCUBE

Forstner Drill Bits 20mm (25/32 inch) Tungsten Carbide Upgraded Version Higher Hardness Wood Hole Saw Auger Opener Woodworking Drilling Tool Wood Cutter

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•[SPECIAL DESIGN] Using these sharp drill bits, you can drill accurate, smooth, neat holes without burrs, even in end-grain and through knots. Arc curve design head contributes to removing sawdust faster, making your work more efficient.
•[MATERIAL] The cutting edge is made of K35 monolithic tungsten carbide, hardness ≥91HRA, bending strength >2200N/cm2, resharpenable for a longer service life. It has the advantages of high hardness, wear resistance, good toughness, heat resistance and corrosion resistance. The shank is made of steel 45#.
•[SPECIFICATIONS] Drilling dia.: 20mm; shank dia.: 8mm; drilling depth: 60mm; total length: 90mm.
•[APPLICATIONS] Suitable for cutting holes onto solid wood, softwood, hardwood, plywood, MDF, chipboard, and also plastic, rubber, fiberglass. Can be used in drill press, bench drill, vertical drilling machine, CNC carving machine, etc..
•[NOTE] 1. Sharp parts contained, please keep away from children and pets. 2. Can NOT be used for metal processing, or the drill bits will get damaged quickly. 3. Material must be fixed during cutting, and the drill bit should be perpendicular to the material. 4. Set slow drilling speed till the drill bit is completely located, then gradually accelerate speed. 5. Water should be injected when processing hardwood, in order to improve drilling accuracy and quality.

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$9.39

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HPHOPE

HPHOPE 20mm Forstner Bit, Forstner Drill Bit 20mm for Wood, Drill Bits Round Shank

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【Areas of Application】20mm Forstner bit is ideal for drilling in soft or hard wood, veneered wood and non-laminated chipboard
•【Clean, Smooth Holes】The tooth-shaped design of this high-speed steel forstner bit ensures less friction and heat.It is superiority in removal chip better.Cut the clean, smooth holes
•【Easy to Start】The design of the center point of the forstner drills allows precise positioning without slipping,which makes drilling more easy
•【Compatibility】8mm cylindrical shank, 90mm overall length, fits all drill drivers and drill presses with 8mm chuck and adjustable
•【Best Service】Lifetime after-sales service, any questions will be answered quickly by human customer service

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$10.99

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CMT

CMT 537.200.31 Forstner Bit, 20mm (25/32-Inch) Diameter, 8mm Shank

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•3-35/64-Inch Overall Length, Right-Hand Rotation.
•2 spurs, 2 precision ground cutting edges, long-lasting cutting performance
•Drill precise flat bottom holes with no chipping in any thickness of soft wood
•For drilling holes in any direction and making arched openings
•For drilling partially overlapped flat bottom holes or niches used to fix supports

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$14.28

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Roman Carbide

Roman Carbide DC1893 Carbide Forstner Bit, 20mm

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Hex shanks will not slip and fit 3/8-inch drill chucks
•Provides chatter-free and faster cutting results
•Provides smoother cutting
•Hard to find metric sizing

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$12.97

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JINSHIBA

JINSHIBA Forstner Bit 3/4"(20mm), Forstner Drill Bits for Woodworking Tungsten Carbide Wood Hole Saw Opener Wood Drill Bit Hex Shank with Adjust Depth, 1 Allen Wrench

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Quality: This Foster bit is made of high quality tungsten carbide bit, hardened steel, tough and durable, smooth and burr-free, rustproof
•Super Sharp: Three-tooth arc design, low cutting resistance, higher opening efficiency, easy chip evacuation and less dust. 1/4" hex shank for a more stable grip
•Size：Cuting dia: 13/16"(20mm), working length: 2"(50mm), total length: 3"(80mm), hex shank: 1/4"(6.35mm)
•Widely Applications：With the forstner bit depth stop, you can drill perfectly to the desired depth. Works for hardwoods, softwoods, MDF, plywoods, plastics, etc. suitable for all drill drivers and pressers.
•Warm Tips：This drill bit suitable for real power greater than or equal to 800W. Contains sharp parts, keep away from children and pets.

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$6.98

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uxcell

uxcell Forstner Drill Bits 20mm (25/32"), Tungsten Carbide Wood Hole Saw Auger Opener, Woodworking Hinge Hole Drilling Boring Bit Cutter (Blue, Gray)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Forstner Drill Bit: Drilling diameter: 20mm / 25/32"; shank size: 7mm / 0.28"; drilling depth: 48mm / 1.89"; total length: 79mm / 3.11". Thickened carbide cutter and solid hardened steel body, round shank forstner bits for woodworking.
•Applications: Can be used for drilling holes on wood and plastic products, furniture, door hinge. Used on cutting wood, plywood, solid wood boards, MDF, plastics, fiberglass etc.. Forstner drill bit is for ordinary purpose
•Features: Tungsten carbide cutting tip with special heat treatment for sharp cutting edge, high hardness, non-burrs and durable use. Arc curve design head for easy chip-removal, more efficient perforation
•How To Use: Suitable for bench drill, vertical drilling machine, CNC carving machine. Processing hardwood or other hard materials should be injected with water to improve the quality and accuracy of drilling, and extend the life of the hole opener.
•Tips: Maximum speed: 2000rpm. Used on desktop (fixed) equipment, and can NOT be used on handheld power tools (such as hand drill or electric drill). Can not drill metal and non-ferrous metal. To avoid causing damage, be sure no nails or other metal objects in wood before drilling. The cutting edge and tip of the opener should be sharpened in time.

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$7.49

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uxcell

uxcell Forstner Wood Boring Drill Bits 20mm 21mm 22mm Dia. Hole Saw Carbide Alloy Steel Tip Round Shank Cutting for Hinge Plywood Wood Tool 3in1 Set

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•[Radian Cutter] Removing the chips smoothly and working efficiently with radian curved design.
•[Features] Tungsten carbide cutting tip with special heat treatment for sharp cutting edge, high hardness, non-burrs and durable use. Arc curve design head for easy chip-removal, more efficient perforation.
•[Applications] Can be used for drilling holes on wood and plastic products, furniture, door hinge. Used on cutting wood, plywood, solid wood boards, MDF, plastics, fiberglass etc.. It is a common tool for woodworkers.
•[Performance] Suitable for bench drill, vertical drilling machine, CNC carving machine. Processing hardwood or other hard materials should be injected with water to improve the quality and accuracy of drilling, and extend the life of the hole opener.
•Tips: Maximum speed: 2000rpm. Used on desktop (fixed) equipment, and can NOT be used on handheld power tools (such as hand drill or electric drill). Can not drill metal and non-ferrous metal. To avoid causing damage, be sure no nails or other metal objects in wood before drilling. The cutting edge and tip of the opener should be sharpened in time.

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$9.99

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uxcell

uxcell Forstner Drill Bits 20mm, Tungsten Carbide Wood Hole Saw Auger Opener 125mm Length, Woodworking Hinge Hole Drilling Boring Bit Cutter (Gray)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Forstner Drill Bits: Drilling diameter: 20mm / 0.79"; shank size: 9mm / 0.35"; drilling depth: 90mm / 3.54"; total length: 125mm / 5". Thickened and sharp carbide tip, high strength and hardness high carbon steel body, hex shank forstner bits for woodworking.
•Applications: Can be used for drilling holes on wood and plastic products, furniture, door hinge. Used on cutting wood, plywood, solid wood boards, MDF, plastics, fiberglass etc.. Forstner drill bit is for ordinary purpose
•Features: Tungsten carbide cutting tip with special heat treatment for sharp cutting edge, high hardness, non-burrs and durable use. Arc curve design head for easy chip-removal, more efficient perforation
•How To Use: Suitable for bench drill, vertical drilling machine, CNC carving machine. Processing hardwood or other hard materials should be injected with water to improve the quality and accuracy of drilling, and extend the life of the hole opener.
•Tips: Maximum speed: 2000rpm. Used on desktop (fixed) equipment, and can NOT be used on handheld power tools (such as hand drill or electric drill). Can not drill metal and non-ferrous metal. To avoid causing damage, be sure no nails or other metal objects in wood before drilling. The cutting edge and tip of the opener should be sharpened in time.

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$8.59

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