| SKU | 7100363495 |
|---|---|
| Legacy SKU | 60450001031 |
| UPC | 00068060061652 |
| Catalog Number | 36524 |
| 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 | 1.464 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 | 6.291 lb |
|---|---|
| Length | 13.8 in |
| Width | 6.9 in |
| Height | 7.3 in |
| Color | Blue |
|---|---|
| Maximum Speed | 12,000 rpm |
PRODUCT FAQ
-
How many discs are in one full case of the 3M™ Hookit™ Blue Abrasive Disc 36524?
Great question! Each case contains 4 cartons, and each carton has 50 discs, so that’s a total of 200 discs per case.
-
What size are these abrasive discs?
These discs are 6 inches (or 150 mm) in diameter, which makes them a popular choice for a variety of sanding applications!
-
Do these discs have any holes in them?
No, they don’t. The 3M™ Hookit™ Blue Abrasive Disc 36524 comes in a no-hole design, which helps maximize surface coverage while you work.
The 3M Hookit Blue Abrasive Disc 521U is expertly engineered for superior sanding performance across a variety of collision repair substrates, including paint, primer, metal, and composite materials. This versatile abrasive disc is designed to deliver fast, efficient cutting action, making it an ideal choice for automotive professionals seeking both quality and productivity in their surface preparation tasks.
Constructed with a robust E-weight paper backing, the 521U disc offers outstanding durability and resistance to tearing, ensuring a longer lifespan even under demanding conditions. This heavy-duty backing supports consistent abrasive action, allowing for a uniform finish and reducing the need for frequent disc changes.
The innovative 3M Hookit system utilizes a convenient hook-and-loop attachment method, enabling quick and easy disc changes. This reusable design not only saves time but also enhances workflow efficiency by allowing users to switch between grits or replace worn discs with minimal effort. The Hookit system ensures a secure fit during use, providing reliable performance throughout the sanding process.
- Optimized for sanding paint, primer, metal, and composite surfaces in collision repair applications
- Fast-cutting abrasive for efficient material removal
- Durable E-weight paper backing for extended disc life and consistent results
- Hookit hook-and-loop attachment system for quick, easy, and reusable disc changes
- Designed to deliver a smooth, uniform finish with minimal loading

