30 Pcs Micro Drill Bits Set 0.1mm-1mm Tungsten Steel Carbide PCB Drill Bits Compatible with Dremel CNC Engraving Jewelry Making Print Circuit Board

Feature: 【Sturdy Material】Made of high-hardness, wear-resistant tungsten steel, this router bit maintains sharp cutting edges even under prolonged high-intensity use. It ensures consistent performance during high-speed cutting, reducing replacement frequency and extending service life.【Precision Cutting】The double-flute design minimizes vibration during operation, enhancing drilling accuracy. The large spiral groove improves chip removal, ensuring smooth and efficient processing for high-precision drilling needs.【Versatile Sizing】This PCB drill bit set includes 30 drill bits with diameters ranging from 0.1mm (0.004in) to 3.0mm (0.118in). Featuring a 3.175mm (0.125in) shank diameter and 38mm (1.50in) length, the variety of sizes ensures ample options for different applications and replacements. And we also provide another model that is 30 drill bits with diameters ranging from 0.1mm (0.004in) to 1.0mm (0.039in).【Depth Stop Ring Design】Equipped with an adjustable depth stop ring to simplify machine setup and reduce preparation time. The rings come in assorted colors for easy size identification, improving workflow efficiency.【Wide Applications】Ideal for precision drilling in materials such as amber, beeswax, PCB boards, bakelite, acrylic CNC engraving, jewelry, and hardware. Suitable for industrial manufacturing, DIY projects, and more, delivering reliable and stable drilling performance.Specification:Name: Router BitModel: 0.1-1mm with 1.1-2mm with 2.1-3.0mm, 0.1-1mmMaterial: Tungsten SteelShank Size: 3.175mm / 0.12inLength: 38mm / 1.50inPackage Included:30 * Router Bits

• 【High quality tungsten steel】: Made of strong and hard tungsten steel for long lasting use. It stays sharp under heavy workloads and resists bending or breaking.
• 【High precision drilling】: Spiral flute design reduces vibration and improves accuracy. Smooth chip removal ensures clean and efficient drilling work.
• 【Complete size range】: The set includes multiple sizes from 0.1mm to 1mm. It meets various fine drilling needs for different projects.
• 【Convenient size identification】: Clear marking and organized storage make size selection fast and simple. It helps improve work efficiency.
• 【Wide application range】: Suitable for PCB CNC engraving jewelry making and DIY crafts. It works well on many precision materials.