| SKU | 7100370179 |
|---|---|
| Legacy SKU | 60450002377 |
| UPC | 00068060063946 |
| Catalog Number | 37211 |
| Product Number | 521U |
3M Stikit Blue Abrasive Sheet 521U is a paper-backed abrasive sheet with excellent performance and cut. It is available in a range of grades.
- Excellent cut rate and performance
- E-weight paper backing is highly durable and withstands wear, pressure and damage
- Stikit™ system for simple, secure application
- Convenient sheet form available in a variety of grades
Product Dimensions |
Imperial | Metric |
| Weight | 1.827 lbs | |
|---|---|---|
| Width | 1-1/2 in | |
| Length | 16-3/4 in | |
| Height | 2.9378 in |
Shipping Dimensions |
|
| Weight | 9.584 lb |
|---|---|
| Length | 18.3 in |
| Width | 8.6 in |
| Height | 4.6 in |
| Color | Blue |
|---|
PRODUCT FAQ
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What materials can I use the 3M™ Stikit™ Blue Sheet 37211 on?
Great question! The 3M™ Stikit™ Blue Sheet 37211 is perfect for sanding a variety of materials, including automotive paint, primers, fillers, and wood. It’s especially popular in auto body shops for surface preparation.
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How do these sheets attach to sanders?
The 3M™ Stikit™ Blue Sheet features a convenient pressure-sensitive adhesive backing, so you just peel off the liner and stick it right onto your sander. It’s super quick and easy to change sheets!
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What grit is the 3M™ Stikit™ Blue Sheet 37211?
The "40E" in the product name means these sheets are 40 grit, which is great for aggressive sanding and fast material removal. If you need something finer, just let me know—I’d be happy to recommend other options!
The 3M Stikit Blue Abrasive Sheet 521U is expertly engineered for professional-grade sanding applications, particularly in automotive collision repair. This versatile abrasive sheet is designed to deliver outstanding results on a variety of substrates, including painted surfaces, primers, bare metal, and composite materials. Its advanced construction ensures efficient material removal while maintaining a smooth, consistent finish.
Featuring a robust E-weight paper backing, the 3M Stikit Blue Abrasive Sheet 521U offers exceptional durability and resistance to tearing, even during demanding sanding tasks. The fast-cutting abrasive grains are precisely distributed to provide a superior cut rate and extended sheet life, reducing the need for frequent replacements and enhancing productivity in the workshop.
One of the standout features of this product is the innovative Stikit system, which incorporates a pressure-sensitive adhesive backing. This allows for quick and effortless attachment to sanding blocks or machines, as well as easy removal without leaving residue. The sheet is compatible with both hand sanding and power sanding equipment, making it a flexible solution for a wide range of repair and refinishing jobs.
Key Features and Benefits- Designed for use on paint, primer, metal, and composite surfaces in collision repair environments
- Durable E-weight paper backing provides excellent tear resistance and longevity
- Fast-cutting abrasive grains ensure efficient material removal and a consistent finish
- Stikit pressure-sensitive adhesive system enables quick attachment and clean removal
- Suitable for both hand sanding and use with power sanding equipment

