Best Metric Countersink Drill Bits of 2025

This set includes 6 pieces of drill bits from M3 to M10, manufactured by Greenlee in China. These countersink drill bits provide power cutting and sawing for various applications.

The Aracombie 6 Pack 3 Flute 90 Degree Countersink Drill Bit Set is a cost-effective and versatile tool set for DIY enthusiasts and craftsmen. The set includes six different sizes of HSS countersink drill bits with a three-blade design for faster cutting. The titanium plated surface ensures durability and sharpness, and the set is suitable for drilling and chamfering on various materials. Additionally, Aracombie offers 24-hour human customer service and after-sales guarantee.

The Aracombie Countersink Drill Bit Set is a versatile tool that offers a wide range of applications. With six different sizes of countersink drill bits, this set can meet all your drilling needs. The three-blade design ensures faster cutting, making it ideal for woodworking, DIY enthusiasts, and craftsmen. Made of high-quality HSS with a titanium-plated surface, these bits are sharp and durable. The set can be reused for a long time, making it a cost-effective choice. Whether you need to drill, chamfer, or deburr on wood, plastic, aluminum, stainless steel, and other soft materials, this chamfering tool set has got you covered. Plus, Aracombie provides excellent after-sales service with a 24-hour human customer service team.

The POWERTEC Stop Collar Set includes seven adjustable collars and an Allen wrench, making it easy for you to identify and control the depth of your drilling projects. Each collar features clear size markings, allowing for quick selection and enhancing your workflow. The split ring design ensures precise depth control, which is especially beneficial for both professionals and DIY enthusiasts working on repetitive drilling tasks. Additionally, the collars are constructed from heavy-duty solid steel, providing durability and a secure fit without damaging your drill bits.

The Yakamoz 6Pcs 1/4" Hex Shank Titanium Drill Tap Combination Bit Set is a versatile tool that offers hole drilling, tapping, deburring, and countersinking for copper, brass, aluminum, sheet metal, and plastic. Its 3-in-1 design is quick and complete. The HSS 4341 material with titanium surface treatment ensures sharp cutting performance and retains strength, providing resistance to wear and prolonging the service life. The engraved tap drill sizes allow for easy identification, and the 1/4" Hex quick-change shank fits most electric hand drills, impact drills, bench drills, electric screwdrivers, and other tap machines.

Mesee Countersink Drill Bits are a set of 6 high-speed steel drill bits with a titanium coating. These bits have a 1/4'' hex shank and come in 6 different metric sizes. The self-centering point eliminates the need for center drilling or punching, making drilling and tapping a one-step process. These drill bits are ideal for drilling wood, plastic, fine copper, aluminum, and other soft metals with a workpiece thickness of less than 5mm. It is important to note that these drill bits are not suitable for hard materials like steel sheets. For the best results, it is recommended to use these drill bits with a bench drill or tapping machine. Hand drills can be used, but the workpiece thickness should not exceed 2mm to prevent the tap from breaking.

The Aracombie 6 Pack 3 Flute 90 Degree Countersink Drill Bit Set is a cost-effective solution that includes 6 HSS countersink drill bits in different sizes. Its three-blade design makes cutting faster, and it can drill, chamfer, and deburr on various soft materials. Made of high-quality HSS, this set is suitable for use on various common drilling rigs. Additionally, Aracombie offers a 24-hour human customer service and solutions to any issues with the product.