| SKU | 7100363494 |
|---|---|
| Legacy SKU | 60450000983 |
| UPC | 00068060061539 |
| Catalog Number | 36510 |
| 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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Is the 3M™ Hookit™ Blue Abrasive Disc 36510 compatible with my 6-inch sander?
Yes, absolutely! The 36510 disc is designed to fit standard 6-inch sanders, and it uses the Hookit™ attachment system, which makes it super easy to put on and take off your tool.
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Does this disc help control dust while sanding?
Definitely! These discs are dust-free, featuring multiple holes that work with your vacuum or dust extraction system to help keep your workspace cleaner and visibility better while you sand.
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What is the grit type of this disc?
Great question! The 36510 disc is a 36E grit, which is coarse—perfect for heavy material removal like stripping paint or shaping filler. If you need something smoother, just let me know and I can recommend other options!
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 variety of substrates, including paint, primer, metal, and composite materials. Its advanced design ensures efficient material removal, making it an excellent choice for both surface preparation and finishing tasks.
Constructed with a robust E-weight paper backing, the 521U disc delivers outstanding durability and maintains its cutting performance over extended use. The fast-cutting abrasive grains embedded in the disc help achieve a smooth, consistent finish while reducing the time and effort required for sanding. This makes it ideal for high-production environments where both quality and efficiency are paramount.
The innovative 3M Hookit system features a convenient hook-and-loop attachment, allowing for quick and easy disc changes. This reusable system not only saves time but also extends the life of the abrasive by enabling users to remove, clean, and reattach the disc as needed. The Hookit attachment ensures a secure fit during use, minimizing slippage and maximizing productivity.
- Designed for sanding paint, primer, metal, and composite surfaces
- Fast-cutting performance with durable E-weight paper backing
- Long-lasting abrasive for extended use and consistent results
- Hookit hook-and-loop system for easy, reusable disc attachment
- Ideal for collision repair and automotive refinishing applications

