--- product_id: 328597806 title: "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: "11431 som" currency: KGS in_stock: true category: "Boshcraft" url: https://www.desertcart.kg/products/328597806-3x21-sanding-belts-21-pack-belt-sander-paper-40-60 store_origin: KG region: Kyrgyzstan --- # Bi-directional tape joint for smooth use Heat & moisture resistant backing 7 grit levels for precision 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:** 11431 som **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your craftsmanship with every grit – don’t get left behind! ## Quick Answers - **What is this?** 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?** 11431 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/328597806-3x21-sanding-belts-21-pack-belt-sander-paper-40-60) ## 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. - • **Durable Aluminum Oxide:** Premium closed coat grains resist clogging and drop-off for longer life. - • **Seamless Belt Interface:** No splice bumps, ensuring smooth, uninterrupted sanding performance. - • **Heat & Moisture Resistant:** Reinforced backing protects against overheating and warping during tough jobs. - • **Versatile Multi-Material Use:** Ideal for wood, metal, leather, fiberglass, and even knife sharpening. ## Overview BOSHCRAFT 3x21 Sanding Belts offer a comprehensive 21-pack assortment with 7 grit levels (40 to 400) made from premium aluminum oxide. Designed for durability and smooth operation, these belts feature heat and moisture-resistant backing and a bi-directional tape joint for seamless sanding on wood, metal, leather, and more. Perfect for professionals and DIYers aiming for flawless finishes and efficient material removal. ## Description 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 - desertcart.com ## 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 | | Best Sellers Rank | #14,656 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #11 in Sander Belts | | Color | 3×21 Inch - 21 Pack | | Customer Reviews | 4.6 4.6 out of 5 stars (1,874) | | Date First Available | June 6, 2021 | | Item Package Quantity | 1 | | Item Weight | 1.92 pounds | | Item model number | 3*21 inch Sander belts | | Manufacturer | BOSHCRAFT | | Package Dimensions | 9.84 x 7.32 x 3.27 inches | | Part Number | 3*21 inch Sander belts | | Pattern | 3×21 INCH | | Size | 3×21 Inch | ## Images ![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) ## Available Options This product comes in different **Color** options. ## 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 ## 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.kg/products/328597806-3x21-sanding-belts-21-pack-belt-sander-paper-40-60](https://www.desertcart.kg/products/328597806-3x21-sanding-belts-21-pack-belt-sander-paper-40-60) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-08-19*