Best Metric Countersink Drill Bits in 2026

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

IDEAL FOR EVERY WOODWORKER – 82 Degree Countersink set with Adjustable Drill Bit Depth Stop and No-Thrust Ball Bearing.

SET INCLUDES – Drill bits set includes a countersink bit, a slow spiral, HSS M2 fully ground drilling bit, and a quick-release 1/4" hex shank.

EXCELLENT FOR CUTTING – Use the drill bits for wood-working of Natural Woods, Man-Made Boards, MDF, Chipboard, Plywood, Aluminum/Non-Ferrous, Aluminum Composite Material (ACM), Decking Materials, High Density Polyethylene (HDPE).

Precision Ground 82° Tip For Countersinking Most Machinable Metals, Wood, And Plastic

Made From Industrial Grade High Speed Steel For Increased Durability

Includes A Black Oxide Finish For Added Corrosion Resistance

In one step, you can drill, countersink and counter bore the perfect sized hole for #4, #6, #8, #10, or #12 screws.

Snappy Tools Countersinks will drill the pilot hole and countersink or counter-bore for screws in one step. Countersink to drive the head of the screw flush with or slightly below the surface

Ideal for plugs or dowel buttons. The 1/4" hex shank can be used with power drills and quick-change chucks.

Made from industrial grade High-Speed Steel for increased durability. Black oxide finish adds corrosion resistance.

Five-flute design reduces vibration for smoother drilling and extended bit life.

Precision-ground 82-degree tip drills countersink holes into most machinable metals, as well as wood and plastic.

The product is 3PC Countersink Set

Easy and simple use kit

The product is manufactured in China

Self-starting point starts on contact

Balanced double flute

Eliminates chatter and vibration

VERSATILITY: Bosch hex shank countersink bits feature adjustable depths and provide precise, clean pilot holes in wood, plastic and composite materials

3 in 1: Drill, Countersink and Counterbore in one step

UNIVERSAL FIT: The Bosch SP515 countersink set fits all Bosch and competitive brands drill/drivers

【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

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

CAPABILITY & DURABILITY: Classic Carbon Steel Material. High hardness, offer superior cutting power and durable.

THREE-POINTED DESIGN:Quickly and accurately drill a smooth hole.Better in CENTERING and NO SKID . Five-edged chamfer design will fast discharge chips from the hole on both sides automatically.

REMOVABLE & ADJUSTABLE: Easy to use the combination of Hex Key to adjust or disassemble the countersink drill bit and the five-flutes chamfering.

Material: High Speed Steel HSS (4241)

Shank type: round, Sizes: 2-5mm,5-10mm, 10-15 mm, 15-20mm

Ideal for cutting through metal, wood and plastic (hardness <25 degrees)

Package included 23pcs woodworking chamfer drilling tool, 6pcs 1/4" Hex Shank HSS 5 Flute 90 Degree Countersink Drill Bits, 7pcs Three Pointed High Speed Steel Countersink Drill Bit with One L-wrench for Wood Drilling or Woodworking Chamfer, 8pcs wood plug cutters drill bit set and 1pcs Automatic center punch for marks workpiece with a dimple, creating a starting point that prevents screws and drills from wandering

3/8" shank 8pcs wood plug cutter drill bit set made of durable carbon steel material,used for tapered 1/4", 3/8", 1/2" ,5/8" wood plugs to cover recessed screw holes or hide blemishes,able to cut plugs to 22mm/23mm/25mm/26mm in length.

1/4" hex shank 5 flute countersink drill bit made of high speed steels and with 6 different diameter sizes 6mm(1/4"), 8mm(5/16"), 9mm(3/8"), 12mm(1/2"), 16mm(5/8"), 19mm(3/4"),used for sinking 90 Degree 6 different sizes Holes into Wood and PVC boards Countersunk Screws and Fixings.

[A variety of drill bits]: 5 different drills, which can meet all your daily needs

[Ultra-high strength]: easily perforate wood, metal, plastic and other materials

[Multiple sizes]: Each drill has multiple sizes to meet your different needs for sizes

✔ Special Reminding - ● These flute countersink drill bit set are machined from high speed steels and are available in 6 different diameter sizes. Size - 6mm(1/4''), 8mm(5/16''), 9mm(3/8''), 12mm(1/2''), 16mm(5/8''), 19mm(3/4'')

✔ Eliminates Chatter&Vibration - All have a 90° angle on the point for sharp and precise countersinking. The cutting edge is hardened and honed for sharpness. A Chatter-Free,five-flute designed with staggered cutting teeth aranged to insure free chip flow and rapid chatter free cutting.

✔ Mutiple Application - Ideal for wooden planks,fiberboard,particle board,plywood,plastic,alumiumn board ,pcb board and more

PRECISION MACHINED TIPS: These countersink drill bits come with 1/4" tri-flat shanks with a precision-ground 82-degree tip for sinking holes into wood, machinable metals, mild steel, fiberglass plastic, and more and fit common handheld power drills.

M2 HSS MATERIAL: Each metal countersink bit is made of high quality M2 HSS material for extended drill bit life and efficiently drills countersinks to help create strong joints between screw and material.

FIVE-FLUTE DESIGN: Each of the 5 counter sink bits utilizes a five-flute design that reduces vibration for smoother drilling as found in woodworking with a 1/4-inch shank that allows easy gripping.

【 Durability&High Hardness】Made of classic carbon steel material, high hardness, offer superior cutting power and durable.Widely used suitable for DIY, home and general building or engineering using, etc.

【Three Pointed Design】Quickly and accurately drill a smooth hole. Better in centering and no skid.Five-edged chamfer design will fast discharge chips from the hole on both sides automatically.It can effectively prevent the accumulation of debris retention, improve the drilling efficiency.

【Different Sizes】Our Countersink drill bit sets include 6 kinds of sizes:2.8 x 8mm（7/64''×5/16"）, 2.8 x 10mm（7/64"×3/8"）, 3 x 8mm（7/16"×5/16"), 3 x 10mm(7/16"×3/8”）, 3.2 x 8mm（1/8"×5/16”）, 3.2 x 10mm（1/8"×3/8"), very suitable for using to multi size wood hole drilling. One tool for multi uses, improve your working efficiency.

FTG Parabolic Flute offers wider flute space, dispersing chips away from the cutting edges more rapidly and increasing coolant flow. The parabolic spiral allows chips to flow up quickly leaving less damage to be corrected after drilling. Package contains 3 Piece Same Size 9/64" (#6 screw) Replacement Tapered Drill Bit Only Without Four-cutter Countersink, made to replace the 9/64” bit of #6 Countersink FTG 6810PRB

FTG Parabolic Flute allows chips to flow up quickly leaving less damage to be corrected after drilling. Improved chip evacuation leads to a better surface finish in the hole. The parabolic drill tip can slip-on wood surfaces; it is recommended to hold it rigidly and drill slowly until the tip grabs the material

Higher Quality cutters FTG Parabolic Flute drill bits are manufactured from premium High Speed Steel M2 Grade 6542. Parabolic flutes are constructed with a wider flute shape for increased chip flow

Tapered drill with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws

Adjustable four-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking

Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth

METAL BIT COMPOSITION - Esclusively designed to work with industrial grade metals they are manufactured with High Speed Steel with 5% Cobalt known as HSS-Co M35 grade

EFFICIENCY - Working with stationary drill ensures better finish on chamfers but they can be used with hand drills as well for countersinking in any hard or soft metal and any type of wood.

DURABILITY - This metal counter sink bit set for steel is made for last longer than any other regular High Speed Steel bits, they are extremely sharp and finished with black & Gold corrosion proof.

Excellent Performance: Countersink drill bit set for wood with tapered drill bit M2 HSS, 4 Flute countersink cutter for superior cutting power & durable

Product Feature: Standard 1/4 inch hex shank is quick change compatible and has an adjustable counter sleeve depth with Allen wrench, for flush screw heads or deeper to cover with matching plugs

Meet Your Demands: #4(7/64”), #6(9/64"), #8(11/64"), #10(3/16"), #12(7/32"), 5 pieces different sizes of countersink drill bits, satisfy you all demand. The most often used sizes for cabinet, furniture makers and other wood working

Mutiple sizes-Includes 5 Gold Screw Countersinks: 5/64”x3/8”, 3/32”x3/8”, 7/64”x3/8”, 1/8x3/8” & 9/64”x1/2”

Quick change-The 1/4" hex shank can be used with power drills and quick-change chucks.

Durable – High-grade carbide tipped, fully sharpened edge, quick drilling, easy to use, in longer life

【IDEAL COMBO SET】4 countersink drill bits size of Ø7/64”(3mm), 5/32”(4mm), 13/64”(5mm), 1/4”(6mm) ; 3 countersink bits with most commonly-used sizes of Ø6.35mm(1/4"), 9.5mm(3/8"), 12.7mm(1/2") and 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 4 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.

Version 2.0 FTG Maximum Torque has superior connection drill-hex shank without a pin. Replacement tapered counter sinker drill bit set 12 Pc. #6 (9/64") bit replacement Only (Without the 4 Flute cutter counter-bore), made to replace the 9/64” bits of #6 countersink drill bit set for wood , with 1 Hex Wrench (1/8 inch Allen Key) included

FTG drill bit replacement set made with tapered countersink bits for wood. Countersink replacement bits set with tapered drill bits. Top Quality 9/64 inch tapered and double flute drill bit; HSS M2 Grade 6542 the most popular High-Speed Steel, for its high toughness, and good cutting edge retention. FTG 2331RPL12 countersink replacement drill bit set for drill bits with countersink

Countersink replacement bits made for countersink drill bits for wood. with wider flute for increased chip flow. Replacement drill bits have logo brand name laser printed on each countersink bit quick change 1/4" hex shank. Counter sinker drill bit replacement set, professional FTG drill countersink set Maximum Torque Improved Version 2.0 without pin. Packaging set combination unique design protected by US Copyright Office

COUNTERSINK DRILL BIT SET - Also Countersink For Wood working - Included 3 Pieces sizes #6, #8 and #10 Cutters (for up to 3/8" or 10mm screws head), Top Quality Tapered High Speed Steel M2 Drill Bit (6542 grade), 1 Stop Collar, 1 Hex Wrench.

ADJUSTABLE COUNTERSINK - Also Countersink Bits For Wood - The Adjustable Stop Collar allows you to adjust the Counterbores depth and Adjustable Cutters can be adjusted for many screws sizes.

QUICK CHANGE SHANK - The Quick Change 1/4" Shank is Universal size, Compatible with all 1/4" Quick Change Chucks, Juego De Brocas Avellanadoras Para Madera, Avellanadores De Madera, Avellanador Para Madera, Juego de Brocas Para Avellanar, Broca De Avellanado.

Introducing our 6pcs wood metal Counter sink Drill Bit , designed to provide excellent results when drilling through metal and wood. Made with high-speed steel HSS4241, this drill bit is known for its durability, strength, and resistance to wear and tear.

Our Chamfer Drill Bit features a 90-degree angle and 3-flute design, which ensures precise and accurate drilling, delivering a clean and smooth finish every time. The countersink drill bit is designed is ensures that the screw head sits flush with the surface, providing a professional and polished look to your work.

This woodworking and metal working drill bit set is suitable for use on a wide range of materials, Used in hardness 25 ° below the workpiece, such as carbon steel, sheet iron, insulation board including metal and wood, making it a versatile tool for any workshop. 6 pcs different size , One set for all your needs .Whether you're a professional carpenter, mechanic, or DIY enthusiast, our Countersink Drill Bit is an essential addition to your tool collection.

✅【Five-blade design】Each countersunk drill adopts five-blade blade design, which can reduce vibration and prolong life, achieve smoother drilling, with 1/4" metal hex.

✅【Compact Grinding】Precision grinding 82° tip for drilling holes on most medium hardness stainless steel, copper, aluminum, wood, plastic.

✅【M2 HSS Cobalt Layered Drill Bits】M2 Cobalt Coated, each metal countersunk drill bit is made of high quality M2 HSS material, this countersunk drill bit set is excellent in heat, corrosion and rust resistance to reduce friction and run cooler.

【Complete Drill Set】- Package includes7pcs 3-point countersink drill bit, 8pcs wood plug cutters, 6pcs countersink drill bits, 1pcs l-wrench and 1pcs center punch for wood. They can almost meet all brick and wood hole extraction needs of professionals or beginners. They are in metric size, and inches are converted.

【3-pointed Countersink Drills】- 3-point countersink drill bits include 3mm(0.11"), 4mm(0.15"), 5mm(0.19"), 6mm(0.23"), 7mm(0.27"), 8mm(0.31"), 9mm(0.35"), 10mm(0.39") for drilling pilot holes. Drill tips adopt 3-point design for quick and accurate center punching, large chip flute and five edge chamfer allows faster and easier discharge of sawdust.

【Wood Plug Cutters】- Wood plug set includes 4 standard plug cutters and 4 four-tooth chambered cutters. Their shank diameters are 9.5mm(0.37"), tail diameters size are 6mm(1/4"), 10mm(3/8"), 13mm(1/2") and 16mm(5/8").

29 Pack Woodworking Chamfer Drilling Tool Kit with a Handy Plastic Case– A Versatile tool set that would make a nice gift for woodworker, Dad, DIY lover, home hobbyist. Ideal for wood, particle board, fiberboard, logs, plastic boards, PVC pipes used on hand drill, bench drill and electric drill.

3 Pcs 1/4" Metric Hex Shank HSS Step Drill Bit Set – With titanium coating, it has great heat/ corrosion/ rust resistance. Specification: 3/16''-1/2'', 1/4''-3/4'', 1/8''-1/2''. Suitable for drilling holes within 0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 0.2 inch (Wood, PVC sheet, Insulation Boards). Not recommend for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.

7Pcs 3- Pointed Countersink Bit for Wood – Made of high carbon steel with high hardness & abrasion resistance, large chip flute and five edge chamfers can drain sawdust faster and easier(Size include: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm). With 1pc hex L-wrench, you could easily remove and adjust counter sleeve depth and drilling depth.