--- product_id: 16488400 title: "DW8311 4-1/2-Inch by 5/8-Inch-11 36 Grit Zirconia Angle Grinder Flap Disc" brand: "dewalt" price: "$13.31" currency: USD in_stock: true reviews_count: 13 category: "Dewalt" url: https://www.desertcart.us/products/16488400-dw8311-4-1-2-inch-by-5-8-inch-11 store_origin: US region: United States of America --- # 15x longer abrasive life 3x faster material removal 20-25° grinding angle precision DW8311 4-1/2-Inch by 5/8-Inch-11 36 Grit Zirconia Angle Grinder Flap Disc **Brand:** dewalt **Price:** $13.31 **Availability:** ✅ In Stock ## Summary > ⚙️ Grind smarter, not harder — unleash pro-level precision and durability with DEWALT DW8311! ## Quick Answers - **What is this?** DW8311 4-1/2-Inch by 5/8-Inch-11 36 Grit Zirconia Angle Grinder Flap Disc by dewalt - **How much does it cost?** $13.31 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/16488400-dw8311-4-1-2-inch-by-5-8-inch-11) ## Best For - dewalt enthusiasts ## Why This Product - Trusted dewalt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile & Durable:** Perfect for rust removal, weld cleanup, and blade sharpening with consistent, smooth results 🔧 - • **Precision Grinding Angle:** Type 29 fiberglass backing ensures optimal 20-25° angle for flawless surface finishing 🛠️ - • **Turbocharged Zirconia Grit:** Experience 3x faster grinding power that leaves competitors in the dust ⚡ - • **Built for the Pros, Made in Turkey:** Crafted with quality and reliability that meets rigorous customer standards 🇹🇷 - • **Endurance That Outlasts Your Projects:** Premium abrasive cloth delivers up to 15x longer life for relentless performance ⏳ ## Overview The DEWALT DW8311 4-1/2-Inch Zirconia Angle Grinder Flap Disc combines high-performance zirconia grit for 3x faster material removal with a premium abrasive cloth that lasts 15x longer than traditional discs. Featuring a Type 29 fiberglass backing for a precise 20-25° grinding angle, this durable disc is manufactured in Turkey to meet professional standards. Ideal for grinding, rust removal, weld smoothing, and blade sharpening, it delivers consistent, contaminant-free results that keep your projects moving efficiently. ## Description Product Description High performance, contaminant free. Zirconia grit enables 3x faster material removal than fiber resin metal sanding discs. Premium abrasive cloth provides up to 15x longer life than fiber resin metal sanding discs. Type 29 fiberglass backing provides grinding angle of 20 to 25 degrees. Product is manufactured in Turkey. This product meets customer requirement. From the Manufacturer DEWALT DW8311 4-1/2" x 5/8"-11 36 Grit Zirconia Angle Grinder Flap Disc Review: Turns Rusty Metal Into Showroom Shine - This flap disc is the real deal. DEWALT slapped some zirconia grit on a wheel and basically handed you a surface-smoothing weapon of mass reduction. Whether you’re cleaning up welds, smoothing edges, or shaving down that "oops" cut you swore was straight—this thing handles it like a champ. Durability? Let’s just say it outlasted my attention span and my playlist. It cuts smooth, runs cool, and doesn’t shred itself to pieces halfway through a job like those bargain-bin brands. Put it on your grinder and let it work its magic. You’ll be turning rough steel into buttered toast in no time. Review: Good price and High Quality - I used this along with an angle grinder to sharpen my lawn mower blades. It did a great job and I did not notice any damage to the disc after the job was done. I anticipate being able to reuse this disc for many more blade sharpenings. It was able to successfully sharpen the blade and I knew it was working from all the sparks that were generated at the time. I think this is a great value. ## Features - High performance, contaminant free - Product is manufactured in Turkey - This product meets customer requirement ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0000DD6D1 | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #13,710 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #14 in Flap Discs | | Brand | DEWALT | | Color | Multi | | Compatible Devices | Angle Grinder | | Compatible Disc Grinder Tool Models | DEWALT DCG416B | | Construction Type | Grinding | | Customer Reviews | 4.7 4.7 out of 5 stars (2,059) | | Cutting Diameter | 4.5 Inches | | Date First Available | August 3, 2017 | | Finish | Brushed | | Global Trade Identification Number | 00028877310473 | | Grit Material | Zirconia | | Grit Number | 36 | | Grit Type | Coarse | | Included Components | DW8311 - 4-1/2 X 5/8-11 40G T29 HP FLAP | | Item Diameter | 4.5 Inches | | Item Package Quantity | 1 | | Item Weight | 5.4 ounces | | Item model number | DW8311 | | Manufacturer | DEWALT | | Material | Blend | | Part Number | DW8311 | | Pattern | Solid | | Power Source | Hand_powered | | Product Dimensions | 4.5"L x 4.5"W | | Recommended Uses For Product | Grinding | | Shape | Rectangular | | Size | 5/8-Inch-11 Hub 1 Count | | Style | 36G | | UPC | 028877310473 | ## Product Details - **Brand:** DEWALT - **Compatible Devices:** Angle Grinder - **Grit Material:** Zirconia - **Grit Type:** Coarse - **Product Dimensions:** 4.5"L x 4.5"W ## Images ![DW8311 4-1/2-Inch by 5/8-Inch-11 36 Grit Zirconia Angle Grinder Flap Disc - Image 1](https://m.media-amazon.com/images/I/71OnonIYfWL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: is it 4-1/2 x 1/4 x 7/8? I notice it is only described as 4-1/2 x 7/8. Pls help. Tks** A: Yes. 41/2 diameter x 1/4" thick with a 7/8" hole ( bore) **Q: Is there an adapter to use on a 5/8 inch grinder** A: should use same arbor back flange and securing nut as an ordinary grinding wheel without threaded arbor, usually comes with grinder **Q: I want to shave a door down about 3/8 inch. Would this work for the job?** A: mostly, this is used for grinding metals. To cut 3/8" wood, you need a saw not a grinder. Thanks **Q: OK for glazed tile?** A: I think it you used it with a variable speed grinder at the slowest speed it would work for cleaning up the edges. For glass I just use a random orbital electric sander with 100 grit, since glaze is essentially glass, I would use caution on a rough grit. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Turns Rusty Metal Into Showroom Shine *by M***T on August 4, 2025* This flap disc is the real deal. DEWALT slapped some zirconia grit on a wheel and basically handed you a surface-smoothing weapon of mass reduction. Whether you’re cleaning up welds, smoothing edges, or shaving down that "oops" cut you swore was straight—this thing handles it like a champ. Durability? Let’s just say it outlasted my attention span and my playlist. It cuts smooth, runs cool, and doesn’t shred itself to pieces halfway through a job like those bargain-bin brands. Put it on your grinder and let it work its magic. You’ll be turning rough steel into buttered toast in no time. ### ⭐⭐⭐⭐⭐ Good price and High Quality *by D***D on May 27, 2024* I used this along with an angle grinder to sharpen my lawn mower blades. It did a great job and I did not notice any damage to the disc after the job was done. I anticipate being able to reuse this disc for many more blade sharpenings. It was able to successfully sharpen the blade and I knew it was working from all the sparks that were generated at the time. I think this is a great value. ### ⭐⭐⭐⭐⭐ Work awesome *by K***I on July 25, 2025* These work great. They don't damage wood and really strip the varnish without gumming up --- ## 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.us/products/16488400-dw8311-4-1-2-inch-by-5-8-inch-11](https://www.desertcart.us/products/16488400-dw8311-4-1-2-inch-by-5-8-inch-11) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-18*