Tinminx 30 Pcs Diamond Drill Bits Set, 1/2/2.5mm 150 Grit Micro Diamond Tip Drill Bits for Glass Ceramic Stone Jewelry Making, Fits Rotary Tools

• 30 Pieces Value Set: Includes 30 pieces of 150-grit diamond drill bits in 3 sizes (1mm, 2mm, 2.5mm), 10 pieces per size for detailed jewelry making and precision tasks.
• Industrial-Grade Diamond Material: Made with premium industrial-grade diamond, these bits offer exceptional hardness and wear resistance, durable and not easy to break.
• Universal Rotary Tool Fit: 2.2mm shank diameter fits most standard rotary tools. This product is not sponsored or endorsed by any rotary tool brands.
• Wide Material Compatibility: Works smoothly on glass, ceramic, stone, marble, resin, plastic, wood and cast iron for DIY projects and creative hobbies.
• Easy to Install & Use: Simple to attach to rotary tools, provides stable performance for both beginners and experienced users for drilling and grinding tasks.

Tinminx 30 Pcs Micro Diamond Drill Bits Set Achieve precise drilling and grinding results with this high-quality diamond drill bits set, designed for detailed work on hard materials and perfect for jewelry making, crafts and DIY projects. Product Specifications: Brand: Tinminx Material: Industrial-Grade Diamond Finish Type: Uncoated Shank Type: Straight Tool Flute Type: Spiral Number of Flutes: 2 Grit: 150 Grit Shank Diameter: 2.2mm Shank Length: 26mm (1.02 inches) Available Sizes: 1mm, 2mm, 2.5mm Quantity: 30 Pieces Total (10 pieces per size) Item Weight: 40 Grams Colour: Silver Core Features: - Precision Design: Micro-sized drill bits perfect for intricate and detailed work requiring high accuracy - Long-Lasting Performance: Industrial-grade diamond coating provides superior cutting power and extended service life - Versatile Application: Suitable for drilling, grinding, shaping and engraving various hard materials - Standard Shank Size: Compatible with most common rotary tools available on the market - Organized Set: Three different sizes to meet all your different drilling needs in one convenient package Important Usage Tips: - Always wear safety goggles and protective gloves when using power tools - Use water as a coolant during drilling to prevent overheating and extend bit life - Apply gentle and steady pressure; excessive force may break the drill bits - Keep the drill bit perpendicular to the material surface for clean and accurate holes Wide Application Scenarios: This diamond drill bits set is ideal for jewelry making, sea glass art, ceramic tile work, stone carving, resin crafts, woodworking and general DIY projects. It is suitable for both professional craftsmen and hobbyists. Package Contents: 30 x Tinminx Diamond Drill Bits (10 x 1mm, 10 x 2mm, 10 x 2.5mm)