--- product_id: 397500301 title: "20 Pieces Diamond Grinding Bits Set, 3mm Shank Diamond Rotary Burrs, Grinding Drill Carving Rotary Tool, for Stone Carving, DIY Grinding and Polishing" brand: "kewayo" price: "₨5599" currency: LKR in_stock: true reviews_count: 3 category: "Kewayo" url: https://www.desertcart.lk/products/397500301-20-pieces-diamond-grinding-bits-set-3mm-shank-diamond-rotary store_origin: LK region: Sri Lanka --- # Diamond grit 120 for precision & durability 6 multi-shape heads for versatile use 3mm shank fits most rotary tools 20 Pieces Diamond Grinding Bits Set, 3mm Shank Diamond Rotary Burrs, Grinding Drill Carving Rotary Tool, for Stone Carving, DIY Grinding and Polishing **Brand:** kewayo **Price:** ₨5599 **Availability:** ✅ In Stock ## Summary > 💎 Carve Your Masterpiece with Diamond Precision! ## Quick Answers - **What is this?** 20 Pieces Diamond Grinding Bits Set, 3mm Shank Diamond Rotary Burrs, Grinding Drill Carving Rotary Tool, for Stone Carving, DIY Grinding and Polishing by kewayo - **How much does it cost?** ₨5599 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/397500301-20-pieces-diamond-grinding-bits-set-3mm-shank-diamond-rotary) ## Best For - kewayo enthusiasts ## Why This Product - Trusted kewayo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** 3mm shank size fits seamlessly with electric grinders, engraving machines, and flexible shaft tools—your all-in-one solution. - • **Versatile Multi-Shape Set:** Six distinct grinding heads cover every need from carving to polishing across stone, metal, glass, and ceramics. - • **Expand Your Creative Horizons:** Perfect for professionals and DIYers aiming to elevate projects with precision detailing on hard materials. - • **Unmatched Precision & Durability:** Premium diamond particles ensure long-lasting sharpness and wear resistance for flawless finishes every time. - • **Effortless High-Speed Performance:** Optimized for rapid rotation, these bits deliver smooth, efficient grinding and engraving without compromise. ## Overview This 20-piece diamond grinding bit set features 3mm shanks and 6mm heads with 120 grit diamond particles, designed for high hardness and wear resistance. Compatible with most rotary tools, it offers six versatile shapes ideal for grinding, carving, polishing, and engraving on hard materials like stone, metal, glass, and ceramics—empowering professionals and hobbyists to achieve expert-level results. ## Description Product description Product Detail Features Premium material Made of diamond particle with reliable quality Strong and sharp Uniform sand, thick and firm, wear resistance, high hardness and impact resistance Universal compatibility Most common shank size 3mm shank Various shapes Set of 6 different shapes Description -20pcs different heads grinding bits, more practical. -Need to be used with electric mill/hanging mill/bench mill. -Ball shape head, diamond grinding tools for diamond and jade carving. -Diamond burr tools for grinding, engraving, cutting lines, polishing, carving, glass engraving. -Suitable for plastic, wood, glass, metal, ceramics, tile, marble, granite, stone, and many other materials. Package List 20 x Diamond Grinding Bit Specifications Type: Diamond Grinding Bit Material: Diamond, Metal Total Length: 45mm Shank Diameters: 3mm Grinding Diameter: 6mm Particle size: 120 grit Review: Too small - Too small Review: Poor quality - Poor quality, wasting money ## Features - Premium material: diamond rotary burr set is made of diamond particles; it has high hardness, excellent wear resistance, and impact resistance - Product size: shank Diameter: 3mm(1/8"); Head Diameter: 6mm, diamond grinding burr drill bits set fit for most rotary tools - Multi shape: diamond rotary grinding bit has 6 different grinding heads, it has 120 grit, used for various applications meet different needs - Compatibility: diamond grinding burr bits drill kit can be installed on an electric grinder, engraving machine, pneumatic engraving pen, and flexible shaft grinder - Widely application: the high-speed rotation of diamond burrs is very suitable for abrasive, engraving, cutting, polishing, engraving, and molds' etching, great for for glass, metal, hardwood, ceramic tiles, ceramics, marble, granite, and other hard materials ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09P3GDMFK | | Best Sellers Rank | #3,613 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Power Rotary Tools | | Brand | KEWAYO | | Brand Name | KEWAYO | | Customer Reviews | 4.2 out of 5 stars 19 Reviews | | Cut Type | Grinding Cut | | Cut type | Grinding Cut | | Cutting Diameter | 6 Millimeters | | Cutting Length | 3 Millimeters | | Cutting length | 3 Millimeters | | Included Components | NO | | Item Diameter | 3 Millimeters | | Item Weight | 0.08 Kilograms | | Item weight | 0.08 Kilograms | | Manufacturer | KEWAYO | | Material | Diamond | | Material Type | Diamond | | Model | NO | | Part Number | NO | | Size | 6mm x 3mm | | Size Name | 6mm x 3mm | | Unit Count | 20 Count | ## Product Details - **Size:** 6mm x 3mm - **Material:** Diamond - **Brand:** KEWAYO - **Cutting length:** 3 Millimeters - **Item weight:** 0.08 Kilograms ## Images ![20 Pieces Diamond Grinding Bits Set, 3mm Shank Diamond Rotary Burrs, Grinding Drill Carving Rotary Tool, for Stone Carving, DIY Grinding and Polishing - Image 1](https://m.media-amazon.com/images/I/71PI96tf8IL.jpg) ![20 Pieces Diamond Grinding Bits Set, 3mm Shank Diamond Rotary Burrs, Grinding Drill Carving Rotary Tool, for Stone Carving, DIY Grinding and Polishing - Image 2](https://m.media-amazon.com/images/I/71q7vhlJaqL.jpg) ![20 Pieces Diamond Grinding Bits Set, 3mm Shank Diamond Rotary Burrs, Grinding Drill Carving Rotary Tool, for Stone Carving, DIY Grinding and Polishing - Image 3](https://m.media-amazon.com/images/I/71agANsxZwL.jpg) ![20 Pieces Diamond Grinding Bits Set, 3mm Shank Diamond Rotary Burrs, Grinding Drill Carving Rotary Tool, for Stone Carving, DIY Grinding and Polishing - Image 4](https://m.media-amazon.com/images/I/71iYId355+L.jpg) ![20 Pieces Diamond Grinding Bits Set, 3mm Shank Diamond Rotary Burrs, Grinding Drill Carving Rotary Tool, for Stone Carving, DIY Grinding and Polishing - Image 5](https://m.media-amazon.com/images/I/71zlQI2Nm9L.jpg) ## Customer Reviews ### ⭐⭐ Too small *by B***R on 7 July 2025* Too small ### ⭐⭐⭐ Poor quality *by D***V on 14 March 2024* Poor quality, wasting money ### ⭐⭐⭐⭐ Grinding bits *by A***. on 7 December 2023* Good ## Frequently Bought Together - KEWAYO 20 Pieces Diamond Grinding Bits Set, 3mm Shank Diamond Rotary Burrs, Grinding Drill Carving Rotary Tool, for Stone Carving, DIY Grinding and Polishing - 5Pcs HSS Rotary Blades Cutting Discs With Mandrel Cut-Off Circular Saw For Dremel Rotary Tool Electric Grinding Accessories - KEWAYO 10 Pieces Tungsten Carbide Rotary Burr Set, 3mm (1/8 Inch) Shank and 6 mm (1/4 Inch) Head Length for Metal Carving, Woodworking, Drilling, Engraving and Polishing --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.lk/products/397500301-20-pieces-diamond-grinding-bits-set-3mm-shank-diamond-rotary](https://www.desertcart.lk/products/397500301-20-pieces-diamond-grinding-bits-set-3mm-shank-diamond-rotary) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-07-06*