--- product_id: 654605055 title: "Drill Bits Sharpener, 3-20mm Grinding Machine, Lip Relief Angle & 95°-135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Sharpening Machine with 18 Collets, MR-20G" brand: "mrcm" price: "NT$31745" currency: TWD in_stock: true reviews_count: 13 url: https://www.desertcart.tw/products/654605055-drill-bits-sharpener-3-20mm-grinding-machine-lip-relief-angle store_origin: TW region: Taiwan --- # High-speed 4800 RPM motor Fits drill bits 3-20mm diameter Precision angle adjustment 95°-135° Drill Bits Sharpener, 3-20mm Grinding Machine, Lip Relief Angle & 95°-135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Sharpening Machine with 18 Collets, MR-20G **Brand:** mrcm **Price:** NT$31745 **Availability:** ✅ In Stock ## Summary > 🔧 Sharpen smarter, drill sharper — never settle for dull again! ## Quick Answers - **What is this?** Drill Bits Sharpener, 3-20mm Grinding Machine, Lip Relief Angle & 95°-135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Sharpening Machine with 18 Collets, MR-20G by mrcm - **How much does it cost?** NT$31745 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/654605055-drill-bits-sharpener-3-20mm-grinding-machine-lip-relief-angle) ## Best For - mrcm enthusiasts ## Why This Product - Trusted mrcm brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Portable & User-Friendly:** Compact design with easy collet changes—perfect for workshops, garages, or on-the-go DIY pros. - • **Robust CBN Grinding Wheel:** Engineered for high-speed steel, ensuring long-lasting sharpness and superior cutting performance. - • **Powerful & Quiet Operation:** 4800 RPM motor delivers fast, efficient sharpening with minimal noise disruption. - • **Pinpoint Precision Sharpening:** Adjust point & lip relief angles for flawless drill bits every time. - • **Universal Fit with 18 Collets:** Seamlessly sharpens drill bits from 3mm up to 20mm—your entire toolkit covered. ## Overview The MR-20G Drill Bits Sharpener is a professional-grade, portable sharpening machine designed for drill bits ranging from 3 to 20mm. Featuring adjustable point angles from 95° to 135° and customizable lip relief angles, it ensures precision sharpening within 0.1mm accuracy. Equipped with 18 elastic collets and a durable CBN grinding wheel, it operates at a high-speed 4800 RPM motor for efficient, quiet performance. Ideal for workshops, factories, and DIY enthusiasts, this tool revitalizes dull drill bits quickly, extending their lifespan and improving drilling accuracy. ## Description Product description Experience precision and efficiency with MRCM drill bits sharpener! With 95° to 135° adjustable point angles and 13 collets, it ensures accurate and stable sharpening for drill bits of ф3-ф15 diameters. Robust CBN grinding wheel is used for high speed steel material to optimize efficiency. Precision Grinding Made Easy! Our drill bit sharpener allows for precise sharpening of point and lip relief angle. And the point angle can be adjusted from 95° to 135°, which can effectively coordinate with the material of drill hole and the rotation speed. Equipped with durable CBN grinding wheel to enhance precision and work efficiency: the CBN wheel is ideal for high-speed steel materials. We also provide a professional drill bit collet chuck for added safety during operation. Easily Sharpen Drill Bits in 3 Simple Steps! Lightweight and user-friendly, our drill bit grinder sharpener is mainly constructed with 45# steel material for improved stability and durability. Simplify your drill bit sharpening process with ease. Our portable drill bit grinder comes with a powerful DC motor for strong and stable performance. With 4500rpm high-speed rotation, strong torque, long-lasting durability, and minimal noise, this drill bit sharpener machine offers robust support for your sharpening tasks. COMPARISON OF 13 TYPE DRILL GRINDER standard back angle geinding hole front corner grinding hole with adjustable locating pin separte rear cprner grinding hole and front corner drinding hole ## Features - High-precision Sharpening: MR-13A drill bits sharpener excels at sharpening point angle and lip relief angle. It features 13 elastic collets - 3,4,5,6,7,8,9,10,11,12,13, 14,15 suitable for ф3-ф15 diameter of drill bits. The all-iron structure keeps the machine from deforming over time, so the drill bit stays sharp. - Adjustable Angle: Our drill bits sharpener provides 95° to 135° point angle adjustment, Ensure that the drilling accuracy is within 0.1mm. Moreover, you can also DIY the lip relief angle through the positioner pins, grinding 4 types of lip relief angle to meet different needs. - Robust Grinding Wheel: The grinding wheel is cubic boron nitride, After grinding, the drill surface finish that rivals new bits. Plus, we also provide a professional drill bits collet chuck for your safe operation. - Utilizing a powerful DC motor, our drill bit re-sharpener grinder operates with strong horsepower and torque, running at 4400PRM high speed while maintaining low noise levels. - Revised sentence: "Versatile & Prepared for Various Tasks: This drill bit grinding and sharpening machine is specifically designed for the re-sharpening of drill bits. Whether you are working in a factory, workshop, garage, or engaged in DIY projects at home, effortlessly maintain the sharpness and readiness of your drill bits ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CXL1S684 | | Best Sellers Rank | #151,616 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #25 in Power Drill Bit Sharpeners | | Brand | MRCM | | Brand Name | MRCM | | Customer Reviews | 4.6 out of 5 stars 125 Reviews | | Cutting Angle String | 95 Degrees | | Cutting Diameter | 3 Millimeters | | Finish Type | Uncoated | | Finish Types | Uncoated | | Included Components | motor | | Item Dimensions | 12 x 6 x 7 inches | | Manufacturer | MRCM | | Material | Alloy Steel | | Material Type | Alloy Steel | | Model | MR-20G | | Number of Flutes | 2 | | Number of Pieces | 13 | | Part Number | MR-20G(RANGE:3-20MM) | | Set Name | 13 | | Shank Type | Straight | | Tool Flute Type | Spiral | | Unit Count | 13.0 Count | ## Product Details - **Cutting Angle String:** 95 Degrees - **Cutting Diameter:** 3 Millimeters - **Finish Type:** Uncoated - **Material:** Alloy Steel - **Shank Type:** Straight ## Images ![Drill Bits Sharpener, 3-20mm Grinding Machine, Lip Relief Angle & 95°-135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Sharpening Machine with 18 Collets, MR-20G - Image 1](https://m.media-amazon.com/images/I/71ao9X2STaL.jpg) ![Drill Bits Sharpener, 3-20mm Grinding Machine, Lip Relief Angle & 95°-135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Sharpening Machine with 18 Collets, MR-20G - Image 2](https://m.media-amazon.com/images/I/71gMooIN9GL.jpg) ![Drill Bits Sharpener, 3-20mm Grinding Machine, Lip Relief Angle & 95°-135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Sharpening Machine with 18 Collets, MR-20G - Image 3](https://m.media-amazon.com/images/I/71MNIljdMwL.jpg) ![Drill Bits Sharpener, 3-20mm Grinding Machine, Lip Relief Angle & 95°-135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Sharpening Machine with 18 Collets, MR-20G - Image 4](https://m.media-amazon.com/images/I/61jdgQ8lHwL.jpg) ![Drill Bits Sharpener, 3-20mm Grinding Machine, Lip Relief Angle & 95°-135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Sharpening Machine with 18 Collets, MR-20G - Image 5](https://m.media-amazon.com/images/I/61jPvGcl+7L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***R on February 3, 2026* ### ⭐⭐⭐⭐⭐ Review *by J***N on January 5, 2026* ### ⭐⭐⭐⭐ Review *by J***. on January 17, 2026* ## Frequently Bought Together - Drill Bits Sharpener, 3-20mm Grinding Machine, Lip Relief Angle & 95°-135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Sharpening Machine with 18 Collets, MR-20G - MRCM Drill Bits Sharpener Grinding Machine Wheel(SDC OR CBN) for MR-13A、MR-13D (MR-13A/D CBN Grinding Wheel) --- ## 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.tw/products/654605055-drill-bits-sharpener-3-20mm-grinding-machine-lip-relief-angle](https://www.desertcart.tw/products/654605055-drill-bits-sharpener-3-20mm-grinding-machine-lip-relief-angle) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-05-06*