TOPWAY Countersink Drill Bits Set 5PCs, 8mm Round Shank HSS Woodworking Counter Chamfer Bits for Plastic Wood Processing and Holes Drilling 131300

High efficiency The spiral groove of the center bit is one of the main advantages of this bit, which can quickly remove the debris in the hole during drilling, prevent the accumulation of rock chip traps and improve the drilling efficiency.

Meet Various Needs - 7 Different Sizes 3mm 4mm 5mm 6mm 7mm 8mm 10mm, great for wood openings, reaming, chamfering, screw heads etc.

Specifications. Woodworking countersink bit set for wood screws without changing bits. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.

High-Quality Material and Durability Our drill bits are made of premium alloy steel, providing excellent durability and strength. They can withstand prolonged use and high-intensity work, ensuring long-lasting performance for your woodworking projects.

Versatility Provides precise, clean pilot holes in compressed board, plastic, MDF, pine and more. Counter sink bits designed as to work as wood drill bits, perfect for woodworkers, DIY enthusiasts, home repairs and more. Prohibited materials glass, metal, concrete, plasterboard

Note It is suitable for softer materials with hardness below 25 , such as thin iron plates, insulating plates, and PVC plates. It is not suitable for materials that are too thick or too hard.

Material The pre-drill with countersunk is made of high-quality alloy, which has excellent cutting performance, high durability and good wear resistance.

Available Size There are a variety of sizes to choose; 5 different drill diameter sizes 2.8mm, 3mm, 3.2mm, 3.5mm, 4mm; 2 different counter-bore diameter size 8mm, 10mm. Just ONE countersink drill bit in each package.

High Quality Materials and Durability Our countersink drill bit set is made of high-quality tungsten steel, which has excellent cutting force and durability, ensuring excellent performance on various materials. It is sturdy, durable, and has a long service life. The tungsten steel blade is sharp and wear-resistant, which can quickly and accurately drill smooth and beautiful holes, and ensure that the screws are tightly fitted.

"1 4"" hexagonal shank for quick tool changes in bit holders"

Durable Material The drill bit is made of high quality tungsten steel and the drill body is made of 45# carbon steel with the paint spraying coating. It has wear-resistant and corrosion-resistant, high hardness and fast cutting speeds to improve the precision of the machine and reduce friction.

Package Includes 5pcs drill bits, 1pcs hex wrenches and 1pcs limit ring. Drill bits of different sizes can meet your different needs. Size 2.8 8 mm, 3.0 8 mm, 3.2 8 mm, 3.5 8 mm, 4.0 8 mm.

Standard 82 Angle - These countersinks bits pilot screw are designed to match the most commonly used woodworking 82 screws you might encounter.

Premium Quality Build Crafted from durable #45 carbon steel shank and high-speed steel alloy bit, our countersink drill bit guarantees precise cutting for woodworking projects, ensuring long-lasting performance and reliability.

User-Friendly Design and Compatibility Compatible with most drilling machines, including lithium electric drills and hand drills, this set includes a convenient hex wrench for easy adjustments. The user-friendly design ensures straightforward operation, making it an excellent choice for both professionals and DIY enthusiasts.

17Pcs Countersink Drill Bit Set HPMAISON Countersink Drill Bit Set includes 5pcs countersink drill bit, 5pcs free replaceable drill bits and 7pcs hex wrench. Counter-bore diameter 10mm. 5 different diameter sizes of drill bits 2.8mm, 3mm, 3.2mm, 3.5mm, 4mm.

Use for softwood, laminted chipboard, non-laminated chipboard, playwood

Good Countersinking Effect The design of the countersink drill bit allows it to effectively remove wood chips during drilling, preventing chip accumulation and resulting in cleaner and neater holes, thereby improving the countersinking effect.

This Tapered Drill Bit is good Tool to cut a chamfer or Deburring

DETACHABLE AND ADJUSTABLE You can use the included hex wrench to remove the screw and adjust the length of the countersunk hole to adjust the drilling depth of various length screws, improving work efficiency. Use grooves for dust-free drilling, and store them conveniently organized for hassle-free experiences.