Norton 66261131507 Psa Disc 320 Grit 6 Inch 100pk

Product Description

The NORTON 66261131507 is a pressure-sensitive adhesive (PSA) abrasive disc designed for fine surface finishing and material removal on a range of substrates. At 320 grit, this disc falls in the extra-fine grade range, making it well-suited for final sanding passes, surface prep before finishing, and light stock removal. The aluminum oxide abrasive grain is bonded to a B-weight paper backing, which provides flexibility for contoured surfaces while maintaining enough stiffness for flat-stock work. Each pack contains 100 discs, giving service technicians and shop operators a consistent supply for production or maintenance tasks.

This disc is part of the A275 series and is intended for use with 6-inch PSA random-orbital or disc sanders equipped with a 6-hole vacuum dust extraction pattern. It is commonly used in woodworking, automotive bodywork prep, metal finishing, and composite surface preparation. The PSA backing adheres directly to a foam or hard-pad platen without requiring hook-and-loop hardware, making disc changes fast in high-volume production environments. Suitable for both shop and field use where a fine, consistent scratch pattern is required before coating or sealing.

Key Features

• 320 grit aluminum oxide grain for extra-fine surface finishing
• B-weight paper backing provides flexibility across flat and contoured workpieces
• PSA adhesive mount for fast, tool-free disc changes on compatible platens
• 6 vacuum holes for dust extraction compatibility with standard 6-hole sanding pads
• Pack of 100 discs for sustained production or service use
• Part of the A275 series for consistent grit-to-grit performance

Compatibility

Designed for use with 6-inch PSA sanding pads and random-orbital or disc sanders equipped with a 6-hole dust extraction pattern. Compatible with 6-hole vacuum systems as noted in product attributes.

Installation Notes

Ensure the sanding pad platen is clean and free of adhesive residue before applying each new disc, as contamination reduces adhesion and can cause the disc to release during operation. Align vacuum holes with the pad holes before pressing the disc firmly onto the platen. Operate the sander at the speed recommended by the tool manufacturer for the workpiece material. Worn or glazed discs should be replaced promptly to avoid heat buildup and surface damage.