Norton 66261108445 Psa Disc 6 in 320 Grit Aluminum Oxide

Product Description

The NORTON 66261108445 is a 6-inch pressure-sensitive adhesive (PSA) abrasive disc designed for fine surface finishing on a wide range of substrates. Built on a heavyweight X-weight cloth backing, this disc delivers the flexibility and durability needed for contoured and flat surface work. The aluminum oxide abrasive runs at 320 grit, placing it in the extra fine grade range — well suited for final stock removal passes, intermediate sanding steps, or prep work before finishing coats. The PSA mount allows quick, secure attachment to compatible backup pads without fasteners or hook-and-loop systems.

This disc is used in automotive bodywork, metal fabrication, woodworking, and general industrial surface prep applications. It is a strong fit for production environments where fast disc changes matter and consistent scratch patterns are required at finer grit stages. Typical users include body shop technicians, metal fabricators, and finish carpenters. The cloth backing and flexible construction make it effective on both flat panels and mild contours where a rigid disc would bridge and skip.

Key Features

• 320 grit extra fine aluminum oxide abrasive for controlled material removal and consistent scratch pattern
• X-weight cloth backing provides durability and flexibility for flat and contoured surfaces
• PSA mount for fast, tool-free disc changes on compatible backup pads
• No vacuum holes — suitable for solid backup pads without dust extraction ports
• Brown disc color; part of the NORTON R228 series
• Flexible construction reduces bridging on uneven or shaped workpieces

Compatibility

Designed for use with 6-inch PSA-style backup pads on random orbital sanders, disc sanders, and angle grinders configured for PSA abrasive discs. No vacuum holes are present, so this disc is intended for solid-face backup pads only.

Installation Notes

Installation is performed by pressing the PSA-coated back of the disc firmly onto a clean, dry, compatible 6-inch backup pad — contaminants on the pad face will reduce adhesion and shorten disc life. Ensure the sander or grinder is powered off and unplugged before changing discs. Operate within the speed rating of the backup pad and tool. Discard the disc when abrasive loading or glazing reduces cut rate, as continued use on a spent disc increases heat and can mar the workpiece surface.