| SKU | 7100363464 |
|---|---|
| Legacy SKU | 60450001015 |
| UPC | 00068060061591 |
| Catalog Number | 36522 |
| Product Number | 521U |
3M Hookit Blue Abrasive Disc 521U is a paper-backed abrasive disc with excellent performance and cut. It is available in a range of grades and sizes.
- Excellent cut rate and performance
- E-weight paper backing is highly durable and withstands wear, pressure and damage
- Easy and reusable hook-and-loop system
- Available in a variety of sizes and grades.
Product Dimensions |
Imperial | Metric |
| Weight | 2.257 lbs | |
|---|---|---|
| Width | 6.1248 in | |
| Length | 6.1248 in | |
| Height | 3 in | |
| Diameter | 6 in | 150 mm |
| Center Hole Diameter | 0.0 NP |
Shipping Dimensions |
|
| Weight | 9.463 lb |
|---|---|
| Length | 13.8 in |
| Width | 6.9 in |
| Height | 7.3 in |
| Color | Blue |
|---|---|
| Maximum Speed | 12,000 rpm |
PRODUCT FAQ
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How many discs come in one case of the 3M™ Hookit™ Blue Abrasive Disc 36522?
There are 200 discs in one case! Each carton contains 50 discs, and there are 4 cartons per case.
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What size are these abrasive discs?
These discs are 6 inches (or about 150 mm) in diameter—perfect for a wide range of sanding applications.
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Do these Hookit™ Blue Abrasive Discs have holes?
No, these particular discs do not have any holes. They're designed as "No Hole" discs for certain types of sanding tools and jobs.
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What is the grit rating on the 36522 disc?
The “36E” means this disc has a coarse grade—ideal for aggressive stock removal or stripping applications!
The 3M Hookit Blue Abrasive Disc 521U is expertly engineered for professional sanding applications, particularly in the automotive collision repair industry. This versatile abrasive disc is designed to deliver outstanding performance on a variety of substrates, including painted surfaces, primers, metals, and composite materials. Its advanced construction ensures efficient material removal while maintaining a smooth, consistent finish.
Key Features and Benefits- Fast-Cutting Performance: The 3M Hookit Blue Abrasive Disc 521U utilizes a premium abrasive grain that provides rapid cutting action, helping technicians achieve desired results quickly and efficiently.
- Durable E-Weight Paper Backing: Built with a robust E-weight paper backing, this disc offers enhanced durability and tear resistance, ensuring long-lasting performance even during demanding sanding tasks.
- Hookit Attachment System: Featuring the innovative 3M Hookit hook-and-loop attachment, the disc can be easily attached, removed, and reused on compatible backup pads. This system streamlines workflow and reduces downtime during disc changes.
- Versatile Application: Ideal for use on a wide range of surfaces commonly encountered in collision repair, including paint, primer, bare metal, and composite materials.
With its combination of fast-cutting action, durable construction, and convenient attachment system, the 3M Hookit Blue Abrasive Disc 521U is a reliable choice for professionals seeking consistent, high-quality sanding results in automotive refinishing and repair projects.

