--- product_id: 386129215 title: "SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Glasses (36 Grit, 7 inch)" brand: "signi" price: "241 zł" currency: PLN in_stock: true reviews_count: 5 category: "Signi" url: https://www.desertcart.pl/products/386129215-signi-s-c-plastic-back-grinding-disc-for-granite-marble store_origin: PL region: Poland --- # 7-10x longer lifespan vs. standard discs Faster cutting speed for efficient work 7-inch diameter for versatile grinding SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Glasses (36 Grit, 7 inch) **Brand:** signi **Price:** 241 zł **Availability:** ✅ In Stock ## Summary > ⚡ Grind smarter, last longer, and finish faster with SIGNI’s powerhouse disc! ## Quick Answers - **What is this?** SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Glasses (36 Grit, 7 inch) by signi - **How much does it cost?** 241 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/386129215-signi-s-c-plastic-back-grinding-disc-for-granite-marble) ## Best For - signi enthusiasts ## Why This Product - Trusted signi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No Backup Pad Needed:** Plastic back design eliminates extra accessories, streamlining your workflow. - • **Speed Meets Precision:** Cuts faster while minimizing material loading, so you get smooth results every time. - • **Multi-Material Mastery:** Perfectly engineered for granite, marble, concrete, and glass—one disc to rule them all. - • **Pro-Grade Compatibility:** Optimized for angle grinders with a max speed of 8500 RPM—built for professionals who demand excellence. - • **Durability That Outlasts:** Lasts up to 10 times longer than traditional aluminum oxide discs—work smarter, not harder. ## Overview The SIGNI S/C Plastic Back Grinding Disc is a 7-inch, 36 grit medium aluminum oxide disc designed for angle grinders. It features a plastic backing that removes the need for a backup pad, enhancing convenience and efficiency. Engineered for use on granite, marble, concrete, and glass, it offers up to 7-10 times longer lifespan than conventional discs and cuts faster while reducing material loading. Ideal for professionals seeking durable, high-performance grinding solutions. ## Description This disc has a plastic back and does not require a backup pad. Review: Works Great !!! Review: These grinding discs do a great job at smoothing uneven concrete surfaces. I would buy them again ## Features - 7" S/C 36 Grit Disc, 1 Pack. - This disc has a plastic back and does not require a backup pad. - It lasts up to 7-10 times longer than conventional aluminum oxide resin fiber discs. - Its design minimizes the loading of material being ground on the disc. - It cuts faster than a conventional grinding disc ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0892P7LCW | | Brand | SIGNI | | Compatible Devices | Angle Grinder | | Compatible Material | Granite, Marble, Concrete, Glass | | Construction Type | grinding | | Customer Reviews | 4.0 4.0 out of 5 stars (16) | | Grit Material Type | Aluminium Oxide | | Grit Number | 36 | | Grit Type | Medium | | Industry Standard Identifier | Backing Pad | | Item Dimensions | 17.8 x 17.8 x 0.3 centimetres | | Item Dimensions L x W | 17.8L x 17.8W centimetres | | Item Thickness | 5 Millimetres | | Manufacturer | SIGNI INDUSTRIAL (SHANGHAI)CO.,LTD | | Material | 36 Grit | | Max Rotational Speed | 8500 RPM | | UPC | 793513613576 | | Unit Count | 1.0 count | ## Product Details - **Brand:** SIGNI - **Compatible devices:** Angle Grinder - **Grit material:** Aluminium Oxide - **Grit type:** Medium - **Product dimensions:** 17.8L x 17.8W centimetres ## Images ![SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Glasses (36 Grit, 7 inch) - Image 1](https://m.media-amazon.com/images/I/A1QZosm1vpL.jpg) ![SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Glasses (36 Grit, 7 inch) - Image 2](https://m.media-amazon.com/images/I/91KzY1+30hL.jpg) ![SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Glasses (36 Grit, 7 inch) - Image 3](https://m.media-amazon.com/images/I/91qgc-Gjm5L.jpg) ![SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Glasses (36 Grit, 7 inch) - Image 4](https://m.media-amazon.com/images/I/91hSg+OffbL.jpg) ![SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Glasses (36 Grit, 7 inch) - Image 5](https://m.media-amazon.com/images/I/61TWYFmk8EL.jpg) ## Available Options This product comes in different **Material Type, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by L***F on 4 February 2026* Works Great !!! ### ⭐⭐⭐⭐⭐ Review *by M***. on 13 December 2024* These grinding discs do a great job at smoothing uneven concrete surfaces. I would buy them again ### ⭐⭐⭐⭐⭐ Review *by M***E on 9 June 2025* Powerful, need good experience if you using grinder to operated it with very steady hand to control this abrasive 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.pl/products/386129215-signi-s-c-plastic-back-grinding-disc-for-granite-marble](https://www.desertcart.pl/products/386129215-signi-s-c-plastic-back-grinding-disc-for-granite-marble) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-06-02*