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.

[Specifications and packaging]: Countersink drill bit set includes 5 pcs countersink bits and 1 pc aluminum carrying case.Include size:1/4", 3/8", 1/2", 5/8", and 3/4".

[Function]: Counter sink drill bits sink holes into most machinable metals, plywood, softwood, hardwood, fiberglass plastic, mild steel.

[Material]: Metal countersink bits are made from industrial grade high-speed steel for increased durability.Each sink has a black oxide coating to resist corrosion.

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.

CUT DIFFERENT MATERIALS: Use the ABN Screw Countersink Kit 5-Piece SAE Drill Bit Set, 82-Degree, 1/4” Inch Shank, 5 Flute to quickly and easily cut soft metal, wood, rubber, plastic, and other machinable materials; Drill a hole and then use one of the included bits to countersink a spot of the screw head

SIZES: The 5 bits come in SAE standard sizes 1/4-inch, 3/8-inch, 1/2-inch, 5/8-inch, 3/4-inch

COMPATIBLE: 1/4-inch round shank fits standard handheld and stationary power drills; 5 flutes reduce vibration for smoother drilling; Precision-ground 82-degree point angle for heavy-duty use and clean cuts every time; 1/4-inch tri-flat shank offers an easy grip

✔【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.

✅【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.

✅【Automatic Center Punch】The center punch delivers an automatic,high-impact,spring-loaded strike through adjusting the cap; Carbide center punches are 10 times stronger than regular punchesprotective aluminum case makes the drills not easy to dull.

✅【Hss 50 Sizes】 ncludes five standard step drill bits with center punch,Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes,to meet your normal needs.

✅【Durable titanium coated drill】Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance,Can reduce friction and run cooler.

【High quality material】Made of high quality HSS with nano blue coating, high hardness, anti-rust, has excellent for capability and durability.This drill bits set can quickly drill, tap, deburr and countersink.

【Perfect size】Our Drill Tap Bits Set contains six sizes, namely Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5，Shank:1/4 inch (6.35mm ) hex shank. It can be used for tapping various threads, making your work more convenient.Each tap drill is engraved with its size convenient for you to choose the suitable size with a glance.

【Drilling and tapping in one】Fast replacement composite cone, uses drill edged principle.Complete hole drilling, tapping, deburring and countersinking in one operation save processing steps and time costs, improve working efficiency.

Shape: 7pcs 1/4 inch Shank Titanium Combination Drill and Tap Set, Metric M3*0.5mm (2pcs), M4*0.7mm, M5*0.8mm, M6*1.0mm, M8*1.25mm, M10*1.5mm, It is not easy to shake and can drill accurately.

Multi-purpose: These drill tap bits are must have if you fabricate a lot; you can use the in aluminum, wood, plastic, iron, and so on, They’re sharp, and easy to use. Fit Electric hand drill, impact drill, bench drill and tap machines.

Easy to Use: Each tap drill is engraved with its size convenient for you to choose the suitable size with a glance. A tapered end on hex shank can prevent excessive knocks; Back taper exceeds the tap to prevent over-drilling and damage to the thread.

32 Pack Woodworking Chamfer Drilling Tool Set – Nice set of specialized bits useful in creating a nice finished effect for woodworking. Ideal for wood, particle board, fiberboard, logs, plastic boards, PVC pipes used on hand drill, bench drill and electric drill.

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

8Pcs 3/8" Shank Wood Plug Cutter Drill Bit Set – Made of durable carbon steel, it is used for tapered 1/4", 3/8", 1/2", 5/8" corks to cover recessed screw holes or hide imperfection. Can cut the plug 22mm/23mm/25mm/26mm in depth as well.

✅【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.

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.

34 Pack Woodworking Chamfer Drilling Tool Kit Include – A integral set of wood working tools for professionals or beginners. Pecfect gift for fathers, friends, carpenter and DIY lovers. Ideal for wood, particle board, fiberboard, logs, plastic boards, PVC pipes used on hand drill, bench drill and electric drill.

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 2pc hex L-wrench, you could easily remove and adjust counter sleeve depth and drilling depth.

8Pcs 3/8" Shank Wood Plug Cutter Drill Bit Set – Made of durable carbon steel, it is used for tapered 1/4", 3/8", 1/2", 5/8" corks to cover recessed screw holes or hide imperfections.Could cut the plug 22mm/23mm/25mm/26mm in depth as well.

【3-IN-1 MULTIFUNCTIONAL COMBINATION DRILL TAP】 They are three-in-one operation, which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic. One-step processing, greatly save processing steps and time costs, improve working efficiency. Deepening the chip flute helps to remove chips and debris on the tap, reducing friction and heat, thereby achieving a faster and cooler drilling process.

【PREMIUM MATERIAL】These high-quality taps are made of high-speed steel(HSS) and have high hardness to achieve sharpness, fast execution and maintain strength and efficiency. It can be applied to all wood, copper, iron and part of thin stainless steel is also applicable. The surface is treated with titanium alloy to improve the cutting performance and wear resistance of the drill , and extending the service life.

【 HIGH VERSATILITY&CONVENIENCE】The product portfolio includes SAE and metric sizes, can meet your various need. Each tap drill is engraved with its size, you can choose the accurate bit without any difficulty.The convenient 1/4" (6.35mm) hex shank has a tapered end to prevent excesssive knocks. Back taper exceeds the tap to prevent over-drilling and damage to the thread. It also comes with a portable storage case you can carry and keep the drill neat and tidy.

1) Professional countersink bits for sinking 90 degree holes into wood and plastic countersunk screws and fixings

2) The self-starting point and five-fluted design eliminates chatter and vibration for smooth operation to make clean, accurate and burr-free cuts

3) Constructed with high-speed steel and coated with super-hard titanium, this bit has the durability to withstand high-heat conditions for lasting use

Combination drill and tap bits are made of HSS 4341, high hardness, high wear resistance.

Suitable for fast drilling and tapping machining.

Suitable for wood, aluminum, iron and other materials with low hardness.

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.

Carbide Tipped

CARBIDE TIPPED – Special carbide-tipped drill bits that provide chip-free hole edges and last much longer than steel countersinks

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), Composites, Composite Decking Materials

Cool Christmas Gifts for Dad:Are you searching for a suitable woodworking gift for dad? This Multi function drill tool kits can solve this problem, which Including countersink drill bits, L-wrench, wood plug cutter, step drill bit, center punch

5 Pack HSS Titanium Coating Step Drill Bits: 3/16-1/2'', 1/8-1/2'', 1/4-3/4'', 3/16-7/8'', 1/4-1-3/8'', suitable for sheet metal, wood board, plastic, aluminum alloy, copper, NOT recommended for high carbon steel, hard metal.

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

TOODLD countersink drill bit set is designed for woodworking, aluminum alloy screw countersinking and opening

Accuracy - TOOLDO countersink drill bit sets for screw size #6, #8, #10 are manufactured by precision CNC, giving precision drilling

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

39 Pack Woodworking Chamfer Drilling Tool Kit Include Including Countersink Drill Bits, L-Wrench, Wood Plug Cutter, Step Drill Bit, Center Punch, Drill Stop Bit Collar Set, Twist Drill Bit Tool. Pecfect gift for fathers, friends, carpenter and DIY lovers.

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

8Pcs 3/8" Shank Wood Plug Cutter Drill Bit Set – Made of durable carbon steel, it is used for tapered 1/4", 3/8", 1/2", 5/8" corks to cover recessed screw holes or hide imperfection. Can cut the plug 22mm/23mm/25mm/26mm in depth as well.

M2 Steel-Premium M2 high speed steel countersink bit with high hardness enables long drilling life and efficient drilling performance.

TiAlN Coating-Aluminum Titanium Nitride coating with 35Gpa nano hardness ensures better performance on hard materials and higher speeds can be achieved. 800℃ max working temperature makes the service life much longer than other bits.

Hex Shank-Quick release slot to eliminate slipping. 82 degree point angle, 1/4” hex shank, 1/2” body diameter.

6pcs 1/4" Hex 5 Flute 90 Degree Countersink Drill Bits: 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.

7pcs Three Pointed Countersink Drill Bit with L-wrench are made of high speed steel with good abrasion resistance and durable,includes 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm for drilling pilot holes,the drill bit large chip flute and five edge chamfers allows faster and easier discharge of sawdust.

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.

Keep It All Well-organized - The kit case had all the pieces in recesses of the foam, which can hold the bits in place to keep them from moving around. Protect the bits from damage and extend their lifespan.

5 Pcs 1/4" Hex Shank HSS Metal Drill Bits for Steel - With titanium coating, it has great heat/ corrosion/ rust resistance. The 118° split point on step drill ensures precise drilling. Suitable for drilling holes on Iron/Plate/Aluminum/Wood/PVC. Not recommend for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.

7Pcs 3-Pointed Counter Sink Bits for Woodwork- Made of high carbon steel with high hardness & abrasion resistance, large chip flute and five edge chamfers can drain sawdust faster and easier. With 1pc hex L-wrench, you could easily remove and adjust counter sleeve depth and drilling depth.

{Good Quality Material}Our center drill bit is made of high quality M2 High speed steel, it has high hardness, wear resistance and is not easy to break.

{Multiple Sizes } It comes with 5pcs Center Drill Bits Set, they are in size 1,1.5,2.5,3.15,5mm , which can meet your different needs.

{60 Degree Tip Angle} The center drill tip is accurate 60 degree, which can be used to process the centering hole and countersink of general material. It will be your great helper in drilling accurate centering holes.

Excellent Father's Gift Idea - Searching for a practical and functional woodworking gift for dad? This drilling tools makes an excellent Father's Day gift,by combining the capabilities of multiple tools in one, our variety of drill bits help users minimize the number of tools required for different tasks, effectively decluttering workspaces and simplifying tool management

Ultimate Drill Bits Set- This unibit step drill bit includes 5 step bit in sizes 3/16-1/2'', 1/8-1/2'', 1/4-3/4'', 3/16-7/8'', 1/4-1-3/8'', effectively replacing 50 sizes of conventional drill bits. Along with a center punch. Additionally, the counter sinker drill bit set in sizes1/4'', 3/8'', 1/2'', 5/8'', 3/4''.

Premium Quality Drill Bit Set - Our countersink and step drill bit set is made from high speed steel for longer cutting edge life even at extreme temperatures.step drill set with a titanium coating significantly improves durability and sharpness for less friction and cooler operation,performs well in heat, corrosion and rust resistance.

230 Pieces Titanium Twist Drill Bit Set, High Speed Steel, Size from 3/64" up to 1/2", Ideal for Wood/Steel/Aluminum/Zinc Alloy, with Hard Storage

Size from 3/64" up to 1/2", Ideal for Wood/Steel/Aluminum/Zinc Alloy, with Organized Hard Storage

Hurricane 4 Piece Wood Chisel Set Cr-V Construction for Woodworking Carving PVC High Impact Handle

【Precisely Processing】- Center and spotting drills are used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.

【Convenience】- Easy to use and install, change bits fast which one-handed load and release. Available for all Kinds of Materials: Metal, Alloy, Copper, Iron, Wood, Aluminum and so on.

【Durable and Resistance】- Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.

✔ Material and Features: High Speed Steel, high hardness, rustproof, solid, durable and excellent for use.

✔ Application: 60° countersink angle fits all standard centers, Used for centering work ends, where the work piece is to be revolved on machine centers.

✔ Durable and Resistance: Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.

MULTIPLE SIZES: The countersink set is made of industrial grade high speed steel for durability. Includes 5 most commonly used diameter sizes: 1/4, 3/8, 1/2, 5/8, 3/4 inches to meet your daily needs. Countersink drill bits are a great fathers day gifts from daughter son.

HIGH PRECISION: Each countersink drill bit set has a corrosion resistant gold oxide coating. Precision ground 82 Degree flat heads screws remove chips smoother allowing the screw heads to be flush and even with the surface of the material being utilized.

UNIVERSAL 1/4” ROUND SHANK: The counter sinker drill bit is designed with 6mm round shank, which fits all handheld and stationary drills. This mill cutter bit is suitable for wood, soft metal, fiberboard, particle board, plywood, plastic, aluminum board, PCB board and more.