---
product_id: 498480107
title: "SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Gl (24 Grit, 7 inch)"
brand: "signi"
price: "NT$1546"
currency: TWD
in_stock: false
reviews_count: 5
category: "Signi"
url: https://www.desertcart.tw/products/498480107-signi-s-c-plastic-back-grinding-disc-for-granite-marble
store_origin: TW
region: Taiwan
---

# 7-10x longer lifespan than conventional discs 24 grit silicon carbide for aggressive cutting 7-inch diameter for versatile grinding SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Gl (24 Grit, 7 inch)

**Brand:** signi
**Price:** NT$1546
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Grind faster, last longer — the pro’s secret weapon!

## Quick Answers

- **What is this?** SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Gl (24 Grit, 7 inch) by signi
- **How much does it cost?** NT$1546 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/498480107-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

- • **Unmatched Durability:** Lasts up to 10 times longer than traditional aluminum oxide fiber discs—work smarter, not harder.
- • **Clog-Resistant Design:** Innovative disc surface minimizes material loading, keeping your workflow uninterrupted and efficient.
- • **Precision Performance:** Aggressive 24 grit silicon carbide ensures faster cutting and smoother finishes on granite, marble, concrete, and glass.
- • **Lightweight Efficiency:** Plastic back design reduces weight, minimizing user fatigue during extended grinding sessions.
- • **Effortless Compatibility:** Fits most angle grinders without a backing pad for quick setup and less hassle.

## Overview

The SIGNI S/C Plastic Back Grinding Disc is a 7-inch, 24 grit silicon carbide disc engineered for high-performance grinding on granite, marble, concrete, and glass. Its plastic back eliminates the need for a backing pad, making it compatible with most angle grinders. Designed to last 7-10 times longer than conventional discs, it offers faster cutting speeds and reduced material loading for a smoother, more efficient grinding experience.

## Description

S/C (Silicon Carbide) These grain types are very aggressive. The grinding disc is flat with a plastic back. The sanding disc fits most angle grinders and does not require a backing pad. The grinding disc attaches directly to the hand of the grinding machine. In comparison to depressed center wheels or resin fiber discs it is lighter, cuts faster, and grinds faster while leaving an even surface.

Review: Good buy
Review: Works great to grind polyurea joint filler

## Features

- 7" S/C 24 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 | B0892NQPMB |
| Best Sellers Rank | #206,372 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #186 in Grinding Discs |
| Brand | SIGNI |
| Brand Name | SIGNI |
| Compatible Devices | Angle Grinder |
| Compatible Material | Granite, Marble, Concrete, Glass |
| Compatible devices | Angle Grinder |
| Construction Type | Coated |
| Customer Reviews | 4.3 out of 5 stars 61 Reviews |
| Grit Material Type | Aluminum Oxide, Silicon Carbide |
| Grit Number | 24 |
| Grit Type | 24 |
| Grit material | Aluminum Oxide , Silicon Carbide |
| Grit type | 24 |
| Industry Standard Identifier | Backing Pad |
| Item Dimensions | 17.8 x 17.8 x 0.3 centimeters |
| Item Dimensions L x W | 17.8L x 17.8W centimeters |
| Item Thickness | 5 Millimeters |
| Item thickness | 5 Millimeters |
| Manufacturer | SIGNI INDUSTRIAL (SHANGHAI)CO.,LTD |
| Material Type | 24 Grit |
| Maximum Rotational Speed | 8500 RPM |
| Product dimensions | 17.8L x 17.8W centimeters |
| UPC | 793513613583 |
| Unit Count | 1.0 Count |

## Product Details

- **Grit material:** Aluminum Oxide, Silicon Carbide
- **Product dimensions:** 17.8L x 17.8W centimeters
- **Brand:** SIGNI
- **Compatible devices:** Angle Grinder
- **Grit type:** 24

## Images

![SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Gl (24 Grit, 7 inch) - Image 1](https://m.media-amazon.com/images/I/91zxB3r7MML.jpg)
![SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Gl (24 Grit, 7 inch) - Image 2](https://m.media-amazon.com/images/I/A1JzpMyTXNL.jpg)
![SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Gl (24 Grit, 7 inch) - Image 3](https://m.media-amazon.com/images/I/A1M1vx5WuxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good buy
*by K***. on 9 January 2026*



### ⭐⭐⭐⭐⭐ Works great to grind polyurea joint filler
*by D***W on 6 November 2024*



### ⭐⭐⭐⭐⭐ Best Grinding disc
*by A***R on 17 April 2025*



## Frequently Bought Together

- SIGNI S/C Plastic Back Grinding Disc for Granite/Marble/Concrete and Glasses (24 Grit, 7 inch)
- SIGNI 5 Pack SiC Plastic Back Grinding Wheel for Granite/Marble/Concrete and Glasses (4.5 INCH, 24 GRIT)
- BHA Silicon Carbide Semi-Flexible Masonry and Coating Removal Sanding Disc, 4.5" x 7/8" - 5 Pack (80 Grit)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-31*