| SKU | 7100363663 |
|---|---|
| Legacy SKU | 60450000967 |
| UPC | 00068060061492 |
| Catalog Number | 36501 |
| 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 | 1.01 lbs | |
|---|---|---|
| Width | 5.1248 in | |
| Length | 5.1248 in | |
| Height | 3.03071 in | |
| Diameter | 5 in | 125 mm |
| Center Hole Diameter | 0.0 NP |
Shipping Dimensions |
|
| Weight | 4.39 lb |
|---|---|
| Length | 13.8 in |
| Width | 5.9 in |
| Height | 6.3 in |
| Color | Blue |
|---|---|
| Maximum Speed | 12,000 rpm |
PRODUCT FAQ
-
How many discs come in each carton of the 3M™ Hookit™ Blue Abrasive Disc 36501?
Each carton contains 50 discs, so you’ll have plenty on hand for your sanding jobs!
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What size are these abrasive discs?
The discs are 5 inches (or about 125 mm) in diameter – just right for many common sanders.
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Are these Hookit™ Blue Discs designed to help with dust control?
Yes! These are dust-free discs, which means they’re specially designed to minimize sanding dust and keep your workspace cleaner.
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What grit are the disks in this specific product number (36501)?
This product is an 80E grade disc – perfect for when you need a coarser abrasive to remove material more quickly!
The 3M Hookit Blue Abrasive Disc 521U is expertly engineered for professional sanding applications, particularly in automotive collision repair. This versatile abrasive disc is suitable for use on a wide range of substrates, including painted surfaces, primers, metals, and composite materials. Its advanced design ensures efficient material removal, making it an ideal choice for both surface preparation and finishing tasks.
Constructed with a robust E-weight paper backing, the 3M Hookit Blue Abrasive Disc 521U delivers outstanding durability and a consistently high cut rate. This heavy-duty backing helps the disc maintain its shape and performance, even during demanding sanding jobs, resulting in a longer lifespan and reduced need for frequent disc changes.
The innovative 3M Hookit system features a convenient hook-and-loop attachment, allowing for quick and easy disc changes. This reusable attachment system not only saves time but also ensures a secure fit during use, enhancing productivity and reducing downtime in busy work environments.
- Designed for sanding paint, primer, metal, and composite surfaces
- Fast-cutting abrasive for efficient material removal
- Durable E-weight paper backing for extended disc life
- Hookit hook-and-loop system for easy, reusable attachment
- Ideal for collision repair and automotive refinishing applications

