--- product_id: 465734999 title: "BOSHCRAFT 3x21 Sanding Belts, 21 Pack Belt Sander Paper 40/60/80/120/180/240/400 Grit Assortment Aluminum Oxide Sanding Belts for Wood Metal Polishing Knife Sharpening" brand: "boshcraft" price: "$102.66" currency: USD in_stock: true reviews_count: 5 category: "Boshcraft" url: https://www.desertcart.us/products/465734999-boshcraft-3x21-sanding-belts-21-pack-belt-sander-paper-40 store_origin: US region: United States of America --- # Bi-directional tape joint Heat & moisture resistant backing 7 grit sizes for precision BOSHCRAFT 3x21 Sanding Belts, 21 Pack Belt Sander Paper 40/60/80/120/180/240/400 Grit Assortment Aluminum Oxide Sanding Belts for Wood Metal Polishing Knife Sharpening **Brand:** boshcraft **Price:** $102.66 **Availability:** ✅ In Stock ## Summary > ⚡ Sand Smarter, Finish Flawlessly – Belt Up Like a Pro! ## Quick Answers - **What is this?** BOSHCRAFT 3x21 Sanding Belts, 21 Pack Belt Sander Paper 40/60/80/120/180/240/400 Grit Assortment Aluminum Oxide Sanding Belts for Wood Metal Polishing Knife Sharpening by boshcraft - **How much does it cost?** $102.66 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/465734999-boshcraft-3x21-sanding-belts-21-pack-belt-sander-paper-40) ## Best For - boshcraft enthusiasts ## Why This Product - Trusted boshcraft brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ultimate Grit Variety:** From coarse 40 to ultra-fine 400 grit, perfect for every sanding stage. - • **Heat-Resistant Backing:** Reduces overheating risk, protecting both your belt and project for flawless finishes. - • **Seamless Sanding Experience:** No splice bumps with reinforced bi-directional tape joint for smooth, uninterrupted work. - • **Durability Meets Performance:** Premium aluminum oxide grain with anti-clog and anti-static tech for longer-lasting belts. - • **Versatile Material Compatibility:** Ideal for wood, metal, leather, fiberglass, and more—your all-in-one sanding solution. ## Overview The BOSHCRAFT 3x21 Sanding Belts 21-pack offers a comprehensive grit assortment (40 to 400) crafted from premium aluminum oxide with anti-static and anti-clog properties. Designed with a reinforced, heat-resistant backing and bi-directional tape joints, these belts deliver smooth, durable performance across wood, metal, leather, and more—making tough sanding jobs faster and more precise. ## Description Our sander belts aim to produce the best quality, to inspire the customer to live more conveniently and enjoyable. Advanced materials feature good abrasion, anti-clogging, and the aluminum oxide surface of various complex surface rust to meet your needs. We have three sizes with 40 60 80 120 180 240 400 Grits Assortment sander belts. Review: Bandas lijadoras - Buena relación precio calidad. Review: Great belts - Best belts and cheapest I have ever bought. ## Features - 【Practical Helper】 - 3 pcs of 3x21 sanding belt each 40/60/80/120/180/240/400 grits, 28 pcs in total, meeting your various needs for sanding tools. Aluminum oxide sanding belts are applied for grinding the surface of wood, metal, leather, aluminum, fiberglass, rubber, plastic, etc. - 【Premium Materials】 - The 3x21 belt sander sanding belts are made of premium closed coat aluminum oxide grain with high adhesives. Features anti-static and anti-clogging, not easy to drop sand. - 【Perfect Belt Interface】 - Our sanding belts eliminate splice bumps. The interface is firm and no break for longer life. Bi-directional tape joint allows a smooth transition in either direction. - 【Reinforced Backing Resist】 - Aluminum oxide sanding belt features heat and moisture-resistant material for different materials and applications. Reducing the risk of overheating and damage to both the belt and the material being sanded. - 【Powerful Performance】 - Belt sanders, equipped with the appropriate sanding belts, can handle tough sanding jobs that would be difficult and time-consuming with other tools. They are particularly effective for sanding down rough wood, removing old finishes, and leveling surfaces. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B091Y3R2NM | | Batteries Required? | No | | Batteries included? | No | | Colour | 3×21 Inch - 21 Pack | | Customer Reviews | 4.6 4.6 out of 5 stars (1,341) | | Date First Available | 1 Jun. 2021 | | Item Weight | 864 g | | Item model number | 3*21 inch Sander belts | | Manufacturer | BOSHCRAFT | | Package Dimensions | 22.6 x 14.9 x 8.6 cm; 864 g | | Part Number | 3*21 inch Sander belts | | Size | 3*21inch | ## Images ![BOSHCRAFT 3x21 Sanding Belts, 21 Pack Belt Sander Paper 40/60/80/120/180/240/400 Grit Assortment Aluminum Oxide Sanding Belts for Wood Metal Polishing Knife Sharpening - Image 1](https://m.media-amazon.com/images/I/81YAG+iVEJL.jpg) ![BOSHCRAFT 3x21 Sanding Belts, 21 Pack Belt Sander Paper 40/60/80/120/180/240/400 Grit Assortment Aluminum Oxide Sanding Belts for Wood Metal Polishing Knife Sharpening - Image 2](https://m.media-amazon.com/images/I/81R1LqHZrNL.jpg) ![BOSHCRAFT 3x21 Sanding Belts, 21 Pack Belt Sander Paper 40/60/80/120/180/240/400 Grit Assortment Aluminum Oxide Sanding Belts for Wood Metal Polishing Knife Sharpening - Image 3](https://m.media-amazon.com/images/I/81sbdwWufuL.jpg) ![BOSHCRAFT 3x21 Sanding Belts, 21 Pack Belt Sander Paper 40/60/80/120/180/240/400 Grit Assortment Aluminum Oxide Sanding Belts for Wood Metal Polishing Knife Sharpening - Image 4](https://m.media-amazon.com/images/I/81mvO5kQuuL.jpg) ![BOSHCRAFT 3x21 Sanding Belts, 21 Pack Belt Sander Paper 40/60/80/120/180/240/400 Grit Assortment Aluminum Oxide Sanding Belts for Wood Metal Polishing Knife Sharpening - Image 5](https://m.media-amazon.com/images/I/81K+30YoGSL.jpg) ## Questions & Answers **Q: Can it be work on metal?** A: Dear customer, using our sanding belt on the belt sander for sharpening wood, polishing metal, and knife. The belt sander paper is made of premium aluminum oxide grain with a firm seam line. We are extremely informative about our products and offer you a 30-day free trial. **Q: country of origin?** A: Sticker on product packaging says: "Made in China". **Q: Does the sander belt track well?** A: Dear customer, The buyer above is very professional. our belts sander belt papers run well due to the butt seam line with the German backing tape. There are no bump or other protrusions at the seams. And the size of the sanding belt is very standard, so it can work well on the machine.  Welcome to try BOSHCRAFT professional sanding belts, we have a 30-day warranty. If you order more, you can contact customer service to get a discount. **Q: how about the seam line? does it cause the belt sander to bounce?** A: By BOSHCRAFT Seller on June 7, 2021 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Bandas lijadoras *by J***A on 11 February 2023* Buena relación precio calidad. ### ⭐⭐⭐⭐⭐ Great belts *by B***M on 14 February 2026* Best belts and cheapest I have ever bought. ### ⭐⭐⭐⭐ Duración *by A***M on 23 December 2023* Buen producto, jalan bien ## Frequently Bought Together - Boshcraft 21 Pack 3 x 21 Inch Sanding Belts, 3x21 Belt Sander Sanding Belts 40/60/80/120/180/240/400 Grits Assortment Sanding Belt for Belt Sander Knife Sharpening Woodworking Metal Polishing - WEN Benchtop Belt and Disc Sander with 4 x 36 in. Belt, 6 in. Disc and Cast Iron Base (6502T) - SACKORANGE 100 PCS 6" PSA Sanding Discs -20 Each of 60, 80, 120, 180, 240, Grit- 6 Inch Self Adhesive Stickyback Sandpaper Discs for DA Sander, Sand Automotive Car Paint, Woodworking Wood, Metal --- ## 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/465734999-boshcraft-3x21-sanding-belts-21-pack-belt-sander-paper-40](https://www.desertcart.us/products/465734999-boshcraft-3x21-sanding-belts-21-pack-belt-sander-paper-40) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-12*