Norton 66261138314 Psa Disc 10 in 40 Grit Zirconia Alumina

Product Description

The NORTON 66261138314 is a pressure-sensitive adhesive (PSA) abrasive disc designed for aggressive material removal on metal, wood, and composite surfaces. It measures 10 inches in diameter and uses 40-grit zirconia alumina, a very coarse abrasive engineered to cut fast and resist heat buildup during extended grinding sessions. The Y-weight cloth backing provides high tensile strength and flexibility, allowing the disc to conform to slightly contoured work surfaces without tearing. This disc is part of the Norton R821 series and is a standard tool for fabrication shops, weld prep, and surface conditioning work performed by metalworkers, fabricators, and maintenance technicians.

This disc is suited for use on large-diameter PSA-compatible disc grinders and sanders in industrial and commercial settings. The 40-grit coarse grade makes it appropriate for rapid stock removal, rust elimination, paint stripping, and weld seam blending. The flexible Y-weight cloth backing performs well on both flat and mildly curved surfaces. No vacuum holes are included, which is consistent with standard PSA-mount configurations where dust extraction is handled externally or not required.

Key Features

• 40-grit zirconia alumina abrasive for fast, aggressive cutting action
• 10-inch diameter fits large PSA disc grinder platens
• Y-weight cloth backing delivers high strength and flexibility
• Pressure-sensitive adhesive mount for quick disc changes
• No vacuum holes — standard solid-face PSA configuration
• Blue disc color; part of the Norton R821 series

Compatibility

Designed as a direct-mount PSA abrasive disc for 10-inch PSA-compatible disc grinders and sanders. No specific machine model compatibility was provided in the product data.

Installation Notes

Installation is performed by fabricators or maintenance technicians familiar with abrasive disc equipment. Before mounting, ensure the grinder or sander is fully powered down and unplugged. Clean the platen surface of any adhesive residue before applying the PSA disc to ensure full, even adhesion. Do not exceed the maximum RPM rating of the machine or use a disc that is damaged, delaminated, or improperly seated.