| SKU | 7100363321 |
|---|---|
| Legacy SKU | 60450001080 |
| UPC | 00068060061737 |
| Catalog Number | 36551 |
| 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 | 1.61996 lbs | |
|---|---|---|
| Width | 2.00787 in | |
| Length | 5.11811 in | |
| Height | 5.11811 in | |
| Diameter | 5 in | 125 mm |
| Center Hole Diameter | 0.0 NP |
Shipping Dimensions |
|
| Weight | 6.82 lb |
|---|---|
| Length | 13.8189 in |
| Width | 5.90551 in |
| Height | 6.29921 in |
| Color | Blue |
|---|---|
| Maximum Speed | 12,000 rpm |
PRODUCT FAQ
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What is the grit of the 3M™ Stikit™ Blue Abrasive Disc 36551?
The 3M™ Stikit™ Blue Abrasive Disc 36551 is 40E grit, which means it’s a coarse grit ideal for fast material removal and effective sanding.
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How many discs come in a full case of the 3M™ Stikit™ 36551?
Each case contains 4 cartons, with 50 discs per carton, so you get a total of 200 discs in a full case!
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Does this abrasive disc have any holes for dust extraction?
No, this particular model (36551) comes with no holes, making it perfect for applications where hole alignment isn’t needed.
The 3M™ Stikit™ Blue Abrasive Disc 521U is expertly engineered for professional collision repair applications, making it an ideal choice for sanding a variety of substrates such as paint, primer, metal, and composite materials. This versatile abrasive disc is designed to deliver consistent, high-quality results across multiple surfaces, ensuring a smooth and efficient sanding process in automotive refinishing and repair environments.
Constructed with a robust E-weight paper backing, the 521U disc offers exceptional durability and resistance to tearing, even during aggressive sanding tasks. The fast-cutting abrasive grains embedded in the disc provide superior material removal rates, helping technicians achieve desired finishes more quickly while maintaining a long disc life. This combination of cutting efficiency and longevity makes the 3M™ Stikit™ Blue Abrasive Disc 521U a cost-effective solution for busy body shops and repair facilities.
Featuring the innovative 3M™ Stikit™ system, these discs are equipped with a pressure-sensitive adhesive coating on the back. This allows for quick and effortless attachment to compatible backup pads, as well as easy removal when it’s time to switch discs. The Stikit™ system streamlines workflow, reduces downtime, and minimizes the risk of disc slippage during use, ensuring a secure and reliable sanding experience.
- Designed for use on paint, primer, metal, and composite surfaces in collision repair
- Fast-cutting abrasive for efficient material removal
- Durable E-weight paper backing resists tearing and extends disc life
- Pressure-sensitive adhesive (Stikit™ system) enables easy disc attachment and removal
- Ideal for automotive refinishing and repair professionals

