3M Hookit Blue Abrasive Disc 321U, 36247, 6 in, 320 grade, (50 discs/carton) Case of 200

• A best-in-class abrasive for a variety of applications
• Anti-loading coating prevents dust and debris from clogging the cutting surface
• Discs available in mutli-hole pattern for excellent dust extraction or in no-hole format
• Engineered ceramic mineral blend is balanced for maximum abrasive performance in its class
• Upgraded resins improve durability and finish

The 3M Hookit Blue Abrasive Disc 321U delivers best-in-class performance at every stage of paint prep and coatings removal. Premium aluminum oxide mineral abrasive is blended with ceramic grain for a full range of sanding applications. The multi-hole discs feature a specially-designed pattern that reduces loading, extends disc life and aligns with most backup pads. Hookit attachment makes disc changes easy. Best-in-Class Performance in Every Grade Part of our full line of 3M Blue Abrasives, the 3M Hookit Blue Abrasive Disc is engineered for best-in-class cut, life and efficiency across your entire shop. The disc features a tough ceramic blended with premium aluminum oxide mineral for just the right balance. 3M Blue Abrasives deliver consistently excellent results in a minimum amount of time, on jobs ranging from aggressive paint removal and fresh filler sanding to blend preparation and sanding primer. Discs are available in a wide range of sizes and grades. Dust Extraction and Anti-Loading Features Enhance Performance and Life The multi-hole pattern discs are specially designed to capture dust and keep it away from the abrasive surface. This specially-designed hole pattern reduces loading and extracts dust more efficiently compared to standard 6- or 7-hole disc configurations. It includes alignment guides across the disc, making it fast and easy to align with nearly any backup pad. The mineral blend on the 3M Hookit Blue Abrasive Disc is bonded using upgraded resins for enhanced durability. An anti-loading coating helps keep dust from gathering between the abrasive grains for a faster cut and for consistent performance throughout the life of the disc. Our Hookit Attachment System The Hookit attachment system has a hook-and-loop feature which makes disc attachment, removal, and re-attachment clean and easy. It also facilitates use and re-use of the disc for maximum product life. Hookit discs have a brushed nylon loop backing of the type most commonly used in everyday hook-and-loop applications. 3M Hookit disc pads (sold separately) feature hooks which grip the brushed nylon loop backing. It’s simple: just attach the disc and start sanding. The disc removes just as cleanly and easily. The Hookit system is designed for work spaces and applications where adhesive backed discs may become contaminated by dust, dirt, or debris. Better Science for Better Sanding from 3M Our 3M Blue Abrasives family is designed as a cost-effective, high-performance upgrade for any sanding application in coatings removal and paint preparation. From its balanced, engineered mineral blend to its multi-hole pattern option for dust extraction, our 3M Hookit Blue Abrasive Disc is another way that 3M applies science to deliver best-in-class performance for professionals.

Trusted 3M Hookit Model

The 3M Hookit Blue Abrasive Disc 321U is a reliable choice for professionals seeking consistent sanding results. This model combines 3M’s expertise with a Hookit attachment system for easy disc changes and secure fit.

Designed for efficiency, the 321U model supports a variety of sanding tasks, making it a versatile addition to any workshop. Its Hookit system ensures quick attachment and removal, saving time during prep work.

Precise 320 Grade Abrasive

This abrasive disc comes in a 320 grade, ideal for fine sanding and finishing applications. The grade ensures smooth results while maintaining effective material removal for paint prep and coatings removal.

Using the 320 grade disc helps achieve a consistent finish on surfaces, perfect for blending and primer sanding. It balances cut rate and surface quality for professional-grade outcomes.

Six Inch Size Versatility

The disc measures 6 inches in diameter, a common size that fits many standard sanding tools. This size offers a good balance between coverage and control during sanding tasks.

Its 6-inch dimension makes it suitable for a wide range of applications, from aggressive paint removal to detailed surface preparation. It works well with various backup pads designed for this size.

Hookit Attachment System

The Hookit system featured on these discs uses a hook-and-loop design for quick and clean attachment. This format allows for easy disc changes without adhesive mess or downtime.

With the Hookit backing, discs can be reused multiple times, extending product life. This system is especially useful in dusty environments where adhesive discs might fail.

Bulk Pack Of 200

This product is sold as a case of 200 discs, packed in cartons of 50 each. Buying in bulk ensures you have enough discs for large projects or ongoing shop use.

Having 200 discs on hand reduces the need for frequent reordering and supports continuous workflow. The pack size suits professional settings where high volume sanding is common.