30 Pieces Diamond Drill Bit, 3mm Diamond Burrs for Engraving, Diamond Grinding Bits, Milling Cutter Set with 3mm Shaft, for Grinding, Stone Glass Ceramics Carving, Polishing

• 30 Assorted Shapes - Come with 30 pieces diamond burrs in 30 different shapes, which can meet your different requirements. Suitable for engraving, cutting, touch-up and finishing.
• 3mm Diameter - Diamond Drill Bit Made of quality alloy, which is coated with sturdy diamond particle at head. The diameter of the shank is 3mm (1/8 inch). Suitable for most of artwork engraving and shaping.
• Suitable for Precise Work - Diamond Drill Bit can work well on sturdy stuff. Like high hardness steel, die steel, stainless steel, carbon steel, cast iron, jade, ceramic, glass, the crystal, stone, gold and silver. Great for detailed work.
• With 150 Grit - These Diamond Drill Bit with 150 grit. The good grinding effect of the diamond burrs make your DIY projects much more efficiency! Suitable for most grinding work, engraving work, carving work, and polishing work.
• With A Storage Box - All the 30 pieces Diamond Grinding Bits are kept in a plastic case. Convenient for storage and carrying. Make your space clean and tidy.

Features: What do you get? : 30 pieces diamond burrs and 1 storage box. What can you do with it? : Lots of details. Can be used on: high hardness steel, forged steel, stainless steel, carbon steel, cast iron, jade, ceramic, glass, crystal, stone, gold and silver. Cannot be used on: Cooper, aluminum, wood and plastic. Specifications: Material: Carbide Quantity: 30 pieces Shape: 30 shapes Note: 1. Must be used with water, do not allow it to dry. 2. Start the hole with a small angle. 3. Carefully move the drill while holding it by hand. Satisfaction Guarantee: We greatly appreciate your purchase. We put our quality and our Diamond Burrs Burrs set top priority. Do not hesitate to contact us if you have any complaints about the quality of this product and our service.