Best Metric Countersink Drill Bits in 2026

HSS Titanium Coating - Classic HSS construction with titanium coating for capability and durability. The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.

Flutes Form - 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process.

Quick Change - 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck. We also offer a quick-change adapter to better quick change.

Product 1: CONVENIENCE: Change Bits Without Re-Chucking

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

Product 1: PRECISION: Bit Design Features a Self Centering Function for Perfect Hole Drilling

Drive Shank: 1/4 Inch Hex Power Bit Shank

Drill Size: 1/8 Inch

Counterbore Size: 3/8 Inch

【 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.

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

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.

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.

[What You Will Have] Set of 6 metric tap drill bit set M3x0.5 M4x0.7 M5x0.8 M6x1 M8x1.25 M10x1.5 Short size is not easy to shake and can drill accurately

[Easy Use]Fast replacement composite cone uses drill edged principle Drilling and tapping in one, one-step processing, which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic greatly save processing steps and time costs, improve working efficiency

[Material] HSS4341 (high-speed steel) + titanium coating. Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you

Countersink drill bit set for wood with tapered drill bit 3rd Party Tested HSS M2, 4 Flute countersink cutter #45 Carbon Steel tapered countersink set 3 sizes drill bits with countersink #6 (9/64"), #8 (11/64"), #10 (3/16") Adjustable wood countersink, 1 Depth Stop Collar 3/8", 1 Hex Wrench (1/8" Allen Key). Counter-bore, and wood plugs 3/8". Hex shank compatible with 1/4 inch standard Quick Change chuck including impact drills. FTG 6810P counter sinker drill bit for wood

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

Bits secured with pin Never Come Loose from shank. 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

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.

Drills and taps hole in one application

Deburr and countersink in one step

Hex shank of drill bit - Designed for Impact Drivers

Replacement tapered counter sinker drill bit set 3 Piece #6 (9/64") bit replacement Only (without the 4 Flute cutter countersink counter-bore), made to replace the 9/64” bits of #6 countersink drill bit set for wood. Replacement bit countersink with hex shank compatible with 1/4" standard Quick Change chuck including impact drills. All same size replacement tapered drill bit for drill countersink

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 2329 countersink replacement drill bit set for drill bits with countersink

THIRD-PARTY TESTED by US Accredited Lab - HSS M2 Grade 6542 countersink drill bit for wood with tapered drill bits. Replacement countersink drill bits with pointed tip and wide flute for drilling fast, clean pilot hole, ensures tight fit for screws. All FTG countersinks hex drill bit sets with tapered countersink bit can be replaced with FTG replacement taper drill bits countersink for extended wood bit. Countersink replacement drill bits designed as to work as wood drill bits

Package Includes 4pcs bits:2 x Pocket Hole Jig System drill and come with Free 2 Pack x 6-Inch #2 Square Driver Bit for Pocket Hole Systems

Made specifically for Pocket-Screw Joinery.Drilling Jigs Accessory has made your projects that require joinery much simpler.drill guide for pocket holes.work well with the Manual Pocket Hole Jig Master System, or alone

Small tip includes clearance hole for screw shank

COUNTERSINK DRILL BIT SET - Also Countersink For Woodworking - Included 5 Pieces all same size #6 Cutters (for up to 3/8" or 10mm screws head), 2 extra Tapered High Speed Steel M2 Drill Bit (6542 grade), 1 Stop Collar, 1 Hex Wrench and 1 Safe Container to keep your set safe and always handy

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 Para Madera, Juego De Brocas Para Avellanar, Broca De Avellanado.

Carbide Tipped

【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

【 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.

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

COMPLETE SET - Comprehensive, high quality 246pc drill bit set – made for masonry, wood, metal and plastic drilling as well as multiple screwdriving and fastening applications.

VARIETY - Full set includes 87 X HSS twist drill bits, 22 X wood drill bits, 21 X masonry/cement drill bits, 4 X drill stops, 66 X 1” bits, 30 X 2” bits, 6 X nut drivers, 2 X hex keys, 1 X counter sink, 4 X hole saws, 1 X arbor adaptor, 1 X nail punch and 1 X bit holder.

UNIVERSAL - Compatible with all VonHaus drills and many other popular models. Ideal for DIY projects and household maintenance and repair – each bit is colour-coded for easy identification.

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

Includes #6, #8, and #10 countersinks Plus a hex wrench

Drills pilot hole, countersinks and counterbores in one easy operation

Drill bit can be adjusted to the desired drilling depth

【Restart Your Garden Fun】 Forget Your Soil Shovel, Don't Be More Tired. Auger Drill Bit For Planting Saved Many Hours Of Digging. Quickly Loosen Up Packed Soil, Improving Double The Work Efficiency At Least, Good Gift For Your Dad Mom Husband Or Wife.

【Great Digging Holes Partner】 Auger Drill Bit Really Do A Good Job, Churning Up The Soil In Garden, Vegetable Field, Flower Pot, Sand. Even Making The Ice Holes. Suits For Planting Bulbs, Flower, Potted Plants, Vegetables. Also Compost, Transplant, Digging Holes For Stakes And Etc. Great For Helping Remove Last Season’s Plants, Digging Holes For New Plants Or Fertilizer.

【Durable Materials Design】 Garden Auger Bit Is Made Of Heavy Duty Steel With Black Painted Finished, High Hardness, Good Wear Resistance, Suitable For Soft Soil, Not For Use With Hard Soil or Solid Rock, If It Catches A Rock, Please Moving Around In Hole Like Stirring. The Drill Bit Works With Any 3/8 inches Non-Slip Drill Or Larger Chucked Drill, 18v Or Greater Drill Recommended.

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

2 pc 8-32 Combination Drill and Tap Multi Use Deburr Countersink Hex Bit

Made of high speed M2 steel. For use with: steel, copper, brass, aluminum. drill, tap and deburr in one operation.

Drill, tap and deburr in one operation. Tapered tap design prevents thread damage from over-drilling.

【Step Drills and Cone Drill】3 piece 5/9/14 step drills (4-12/20/32mm) and 1 piece cone drill (8-20mm). Laser marking of step size provide convenient and accurate drilling

【Countersink Drill Bits】6 piece countersink drill bits: 6.3, 8.3, 10.4, 12.4, 16.5, 20.5mm - 90° point, three cutting edges, ideal for deep countersinking

【High Quality】All drills are HSS Titanium coated, come with 1/4" (6.35mm) hex shank, and are precision ground, heat treatment, and hardened for consistently accurate drilling or enlarging holes into sheet & non-ferrous metals, wood and plastics

Update plastic box packaging Imperial units 6PCS：1/8"(3.175mm)、5/32"（3.97mm）、3/16"（4.76mm）、1/4"（6.35mm）、5/16"（7.94mm）、3/8"（9.53mm）

Suitable for Low Hardness Materials Such as Wood, Aluminium Plate, Plastic, or Sheet Iron (thickness of less than 3mm).

Back tapered beyond tap to prevent thread damage from over-drilling

✔【6Pcs Tap Drill Bit Sets】Titanium Coated HSS Drill and Tap Bits, include M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5, set of 6 Size is clearly engraved on the shank for easy identification.

✔【Composite Cone】Fast replacement composite cone, uses drill edged principle.High hardness, rustproof, solid and durable.Taps with drilling function, used to drill a hole and cut new threads at the same time, you will have a smooth tapping experience with them.

✔ 【Widely Application】Quick change 1/4” inch hex shank. Can be used with power tools, electric drill, group general tools, air and other any standard bit holders.1/4 inch hex shank fits into power tools more easily and securely.