Corundum diamond grinding heads, 20 pieces, for glass, precious stones and hard materials

✨ General Description: Set of 20 corundum diamond bits for angle grinders or electric milling machines — ideal for fine polishing, rust removal, and precise machining of hard materials. Perfect for demanding DIYers seeking precision, durability, and a professional finish on glass, jade, gemstones, ceramics, or molds. 📐 Technical Specifications: Material: Corundum + diamond coating; Quantity: 20 pieces per set; Shank diameter: 3 mm; Head diameter: 6 mm; Total weight: 76 g 🔧 Installation: Immediate mounting on any angle grinder or electric milling machine (such as suspended, table, or handheld milling machines). Simple attachment via a 3 mm chuck — no tools or complicated adjustments required. 🎯 Use: Use these bits for targeted work: localized polishing, fine deburring, detailed engraving, or surface grinding. Their wear resistance guarantees consistent performance even on the most abrasive materials. ℹ️ Other information: This set is universal — compatible with all machines with a 3 mm chuck. No batteries included. Designed for demanding professional or hobbyist use, without compromising on finish quality or durability.