CCYKXA Mini Twist Drill Bit Set, 10Pcs Micro Engraving Drill Bits, 0.6mm-2.2mm, HSS 2.35mm Shank Titanium Coated Small Drill Bit Hole Punching Tool for DIY Resin Jewelry Amber Wood Leather

High Quality: Made of hardened high speed steel with titanium plating, our twist drill bits feature hardened and honed cutting edges for exceptional sharpness and durability. With a vibration-free design, they offer excellent strength, high hardness, and rust resistance, ensuring they won't break easily.

Versatile Set: This set includes 10 twist drill bits in different sizes, ranging from 0.6mm to 2.2mm in cutting diameter. Each size is represented by one piece, meeting a wide range of drilling needs.

High Efficiency: The fully ground helical groove design quickly removes particles, reducing friction and heat for faster, cooler drilling. The straight shank prevents lateral movement, ensuring precise drilling and greatly improving work efficiency.

Easy to Use: Featuring a uniform handle diameter of 2.35 mm, our twist drill bits offer convenient clamping. The chip clearance space allows for easy and quick chip removal. When drilling holes, it is essential to release the foam to prevent bursting due to powder blockage.

Wide Application: Compact and lightweight, our twist drill bits are compatible with collet drill holders, electric and cordless drills, and rotary drills. Suitable for drilling and engraving materials such as jewelry, amber, beads, beeswax, resin, circuit boards, leather, wood, olive wood, walnut, and much more.