Xpeed S8SC424 4″ Silicon Carbide Grinding Stone

Overview

The Xpeed S8SC424 is a 4″ silicon carbide grinding stone with coarse (#24) grit designed for aggressive material removal and rough grinding on stone, marble, granite, quartz, and similar hard surfaces. It’s suitable for shaping, leveling, and preparing surfaces before finer abrasives or polishing.

The Xpeed S8SC424 is a professional-grade 4-inch silicon carbide grinding stone engineered for aggressive material removal and precision surface preparation on stone, marble, granite, quartz, and other hard materials. Featuring a coarse #24 grit, this grinding stone is ideal for rapid grinding, shaping, and leveling tasks, allowing fabricators and installers to tackle high-volume or heavy-duty stonework efficiently.

Constructed from durable silicon carbide abrasive, the Xpeed S8SC424 is designed to maintain consistent cutting performance while resisting premature wear, ensuring long-lasting utility even under demanding fabrication conditions. Its coarse grit allows it to smooth out rough surfaces, remove high spots, and prepare slabs for finer abrasives or polishing stages, making it an essential tool in both countertop fabrication and restoration projects.

This grinding stone’s compact 4-inch diameter provides excellent control and precision in tight or detailed areas, allowing professionals to work confidently on edges, curves, and flat surfaces alike. Its design ensures consistent material removal, helping achieve level, even surfaces that are ready for subsequent finishing or polishing processes.

Perfect for stone fabricators, countertop installers, masons, and restoration specialists, the Xpeed S8SC424 is compatible with a range of grinders and rotary tools designed for wet or dry grinding, giving users the flexibility to adapt to different projects and materials. Whether you are shaping raw granite, leveling marble, or preparing quartz surfaces, this silicon carbide stone delivers reliable performance, speeding up workflow without compromising surface quality.

In addition to its efficiency and durability, the Xpeed S8SC424 offers a safe and effective abrasive solution for heavy-duty stone preparation, making it an indispensable addition to any professional stone fabrication toolkit. It is engineered to withstand repeated use while maintaining its aggressive cutting action, providing consistent results and professional-grade precision for every project.

Key Features

• Coarse #24 silicon carbide grit — optimized for heavy material removal and rough grinding tasks.

• 4″ diameter — fits standard 4″ grinders and preparation tools.

• Wet or dry use — versatile for different working environments.

• Designed for stone and engineered materials — excellent for marble, granite, quartzite, and similar substrates.

• Efficient shaping and surface prep — ideal for leveling rough edges or removing excess material.

Specifications

• Brand: Xpeed

• SKU: S8SC424

• Material: Silicon carbide abrasive

• Grit: #24 (coarse)

• Diameter: 4″

• Use: Grinding, shaping, heavy stock removal

• Compatible Tools: Angle grinders and hand grinders with 4″ discs

• Wet/Dry: Suitable for both wet and dry applications

• Type: Wet / Dry

• Application: Marble, granite, quartz, and quartzite

• Max Speed: 9000 RPM

• Diameter: 4" x 2"

• Grit Material: Silicon carbide

By using premium abrasives, it provides longer life and faster grinding on a variety of marble, granite, quartz, and quartzite natural stones, and is expertly designed for shaping and grinding.
Highly effective for maximizing surface area coverage in foundry and cleaning applications.
Silicon carbide is a material known for its high hardness. However, if dropped or not used properly, it can crack, break easily, or degrade in quality.

Available Variants