15A453 - Walter 15-A-453 Xtracut Ceramic Fiber Disc 4.5 Inch Grit 36

High-Performance Ceramic Stock Removal for Steel Fabrication

The Walter Xtracut Sanding Disc (SKU: 15A453) represents a significant advancement in abrasive technology for industrial steel applications. Engineered with a high concentration of premium ceramic grains, this 4-1/2 inch fiber disc is designed to deliver exceptional stock removal rates while maintaining a long service life. Unlike conventional abrasives that dull rapidly under high pressure, the ceramic structure of the Xtracut disc features a self-sharpening mechanism. As the grains fracture, they expose new, sharp cutting edges, ensuring that the material removal rate remains consistent throughout the lifespan of the disc.

Thermal management is a critical factor in heavy-duty grinding. The 15A453 incorporates advanced cooling agents directly into the bonding matrix. These agents actively reduce friction and heat generation at the contact point, significantly mitigating the risk of thermal distortion, heat discoloration (blueing), and metallurgical changes in the workpiece. This makes the Xtracut particularly suitable for aggressive grinding tasks on structural steel, heavy machinery components, and pressure vessels where material integrity is paramount.

With a coarse 36-grit rating (X-Coarse), this disc is optimized for the most demanding phases of metal fabrication, including heavy weld removal, beveling, and rapid surface leveling. The 7/8-inch arbor ensures compatibility with standard industrial angle grinders and backing pads. By combining speed, durability, and thermal control, the Walter Xtracut system reduces operator fatigue and lowers the total cost of operation by minimizing disc changeovers and secondary rework.

Technical Specifications

• Grain Technology: Self-sharpening Ceramic
• Grit Classification: 36 (X-Coarse)
• Diameter: 4-1/2 inches (115mm)
• Arbor Size: 7/8 inch (22mm)
• Maximum Speed: 13,300 RPM
• Primary Application: Steel