Best Metric Countersink Drill Bits in 2026

Wide Range of Sizes: Including 7 Pieces of Plain Center Drill Bits Set range in size 1.0 1.5 2.0 2.5 3.0 4.0 5.0 to meet different needs

Accurate: A 60-Degree Angle center drill is very useful in drilling accurate center holes, 60-degree countersink holes or starter holes for bigger drill bits in metal-working

High Quality: Our center drill bits made of high quality M2 High speed steel, solid and high temperature wear resistant

【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

【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.

🛠【Professional Design】1/4 inch hex shank drill bit is suitable for quick replacement, suitable for most power tools, The cutting edge is hardened and honed for sharpness. all drill bits have an 82-degree angle on the point for sharp and precise countersinking.

🛠【Easy to Use】A Chatter-Free, five-flute designed with staggered cutting teeth arranged to insure free chip flow and rapid chatter-free cutting, reduces vibration for smoother drilling.

🛠【Durable & Long-life】The countersink drill bit set is made of industrial grade high carbon steel with hard titanium coating. The automatic centre punch is made of pure brass. Durability & Long service life.

Comes in 7 sizes in a storage box – package including 7 Pieces of black Center Drill Bits Set in different sizes 1.0 1.5 2.0 2.5 3.0 4.0 5.0, which can meet most of the center hole needs

Well-made Center Bits - made of high grade M2 High Speed Steel well known as high temperature wear resistant and solid

Make Excellent Center Holes – Using these center drill bits to drill a starer hole for longer drill bits in wood without off centering, and for tap drill in metal to align properly, etc.

Widely applicable: Portable electric drill can be used to perforate wood, plastic, rubber, soft metal, bodhi, bones, etc. The drill has a variety of different specifications, simple and convenient to use, can meet the different needs of users, and let users feel at ease to own and use.

High quality: stable precision fixture, high concentricity, tightly closed, firm and easy to smooth. The semi-automatic electric drill thickens the nut, which is firm and not easy to crack. Precise, accurate, high-efficiency, tightly gripping drill bits, 0.8-3.0mm drill bits can be clamped. Screw and semi-mechanical design, accurate positioning, saving time and effort.

Reliable quality: Our electric drills have undergone strict quality control and quality assurance, with a high safety factor and can be used with confidence. After many inspections before leaving the factory, the quality is Assurance, you can rest assured to use such tools. Can perfectly replace old or damaged ones.

The wide range of drill tap bit set helps you with tasks like drilling, tapping, deburring and countersinking, all with this single kit. The split point tip resists walking and penetrates faster into the material. Along with fast penetration, the power drill makes your life easy by saving your time and energy.

Durable taps are made from hardened high-speed steel (HSS 4341) vs carbon steel for longer life,which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic

This is a SAE drill tap set, 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. Quick Change 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.

DURABLE: The center drill bit is made of high quality material, solid and stable, anti-rust and wear-resistance, which can remove chippings clearly and ensure a long time use.

6 SIZES: There are six sizes of centering drill in one package, 1.0mm, 1.5mm, 2mm, 2.5mm, 3mm, 5mm, you can choose the right size according to your needs, perfectly meets all your needs.

COMPACT: Lightweight and compact size, the weight of center drill is about 60g, so you can easily store and carry these drill bits, convenient to use.