| SKU | 7100363535 |
|---|---|
| Legacy SKU | 60450001114 |
| UPC | 00068060061799 |
| Catalog Number | 36580 |
| Product Number | 521U |
3M Stikit 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
- Stikit™ system for simple, secure application
- Available in a variety of sizes and grades.
Product Dimensions |
Imperial | Metric |
| Weight | 3.92555 lbs | |
|---|---|---|
| Width | 3.50394 in | |
| Length | 8.11024 in | |
| Height | 8.11024 in | |
| Diameter | 8 in | 203 mm |
| Center Hole Diameter | 0.0 NP |
Shipping Dimensions |
|
| Weight | 16.55495 lb |
|---|---|
| Length | 16.37795 in |
| Width | 8.85827 in |
| Height | 9.25197 in |
| Color | Blue |
|---|---|
| Maximum Speed | 6,000 rpm |
PRODUCT FAQ
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What type of surfaces can I use the 3M™ Stikit™ Blue Abrasive Disc 36580 on?
You can use this disc on a variety of surfaces, including metal, paint, and primers! It’s especially great for auto body work or other industrial applications where you need consistent sanding results.
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Is this abrasive disc easy to attach and remove from my sander?
Absolutely! The Stikit™ backing makes it super simple to stick onto your random orbital sander and just as easy to peel off when you’re done—no hassles at all.
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How many discs do I get in one case?
Each case comes with four cartons. Every carton contains 50 discs, so that’s a total of 200 discs per case!
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Does the disc have any holes for dust extraction?
This particular model is a "No Hole" design, which means it doesn’t have any dust extraction holes built in.
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What grit is the 3M™ Stikit™ Blue Abrasive Disc 36580?
The “36E” stands for coarse grade—it’s perfect for heavy-duty sanding and stripping tasks where you want fast material removal!
Experience superior sanding performance with the 3M™ Stikit™ Blue Abrasive Disc 521U, expertly engineered for use on a variety of collision repair substrates. This versatile disc is ideal for sanding surfaces such as paint, primer, metal, and composite materials, making it a reliable choice for automotive professionals seeking consistent results.
Constructed with a robust E-weight paper backing, the 521U disc delivers exceptional durability and maintains its cutting power throughout extended use. The fast-cutting abrasive ensures efficient material removal, helping you achieve a smooth, even finish while reducing the time spent on each job.
The innovative Stikit™ system features a pressure-sensitive adhesive coating, allowing for quick and effortless attachment to sanding tools. When it’s time to change discs, removal is just as easy, minimizing downtime and maximizing productivity in your workflow.
- Designed for sanding paint, primer, metal, and composite surfaces in collision repair applications
- Durable E-weight paper backing provides long-lasting performance and excellent cut
- Fast-cutting abrasive helps achieve smooth, consistent finishes efficiently
- Stikit™ pressure-sensitive adhesive system enables easy disc attachment and removal

