50pcs Carbide Micro Drill Bits 0.5-0.9mm Tip Spiral Flute Engraving Tools Mini Drilling Bit Rotary Tool Kit for PCB Print Circuit Board Carving

• Achieve Perfect Results: Our drill bits have strictly symmetrical cutting edges for efficient machining and precise drilling without deviations.
• Versatile Applications: Ideal for PCB, SMT, mold, hardware processing, and electronic industries, this set is a practical addition to your toolkit.
• Wide Range of Sizes: With a variety of sizes included, this set can meet all your needs. Plus, it's compact and easy to store in the included box.
• High-Quality Materials: Made of premium cemented carbide, our micro drill bits are highly durable, wear-resistant, and won't bend or break easily.
• Superior Performance: Our carbide micro drill bits have low chip removal resistance, smooth chip removal and drilling, and sharp cutting edges that reduce cutting force and improve drilling quality.

Specification: Material:Carbide Size: 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm Weight: 160 g / 5.6 oz(approx.) Package list: 1 * white plastic box 10 * 0.5 PCB drill bit 10 * 0.6 PCB drill bit 10 * 0.7 PCB drill bit 10 * 0.8 PCB drill bit 10 * 0.9 PCB drill bit