Application Compatibility
Use with a compatible hook-and-loop backup pad or block, and match the listed size before use.
3M™ Hookit™ Blue Abrasive Sheet Roll 521U – 2-3/4 in
3M™ Hookit™ Blue Abrasive Sheet Roll 521U – 2-3/4 in
SKU:37450
3M · PBE product guide
3M™ Hookit™ Blue Abrasive Sheet Roll 521U – 2-3/4 in
3M™ Hookit™ Blue Abrasive Sheet Roll 521U is a paper-backed abrasive sheet roll with excellent performance and cut. It is available in a range of grades. The convenient sheet roll format can be sized as required.
THE ESSENTIALS
At a glance
- Product type
- Abrasives
- Grit
- 36E, 40E, 80E
- Product Form
- Sheet Roll
- Abrasive Material
- Ceramic Aluminum Oxide
- Attachment Type
- Hook & Loop
- Available configurations
- 3
- Manufacturer part numbers
- 37450, 37451, 37452
WHY IT WORKS
Why this product
Abrasive Construction
It is available in a range of grades.
Convenient Shop Use
The convenient sheet roll format can be sized as required.
Longer Working Life
E-weight paper backing is highly durable and withstands wear, pressure and damage
CHOOSE WITH CONFIDENCE
Choose the abrasive for the job
- Match the grit option to the sanding step, workpiece, and finish requirement.
- Use the coarsest grit needed for the required cut, then plan a progression that removes the previous scratch pattern.
- Confirm the backing, attachment, dimensions, and maximum speed fit the tool or hand block before use.
WHAT YOU'LL RECEIVE
Options and package details
| MPN | Customer choice | Sold by PBE Direct | UPC |
|---|---|---|---|
| 37450 | Grit: 36E | 1 selected roll or package, as shown by the chosen option | 068060066428 |
| 37451 | Grit: 40E | 1 selected roll or package, as shown by the chosen option | 068060066435 |
| 37452 | Grit: 80E | 1 selected roll or package, as shown by the chosen option | 068060066473 |
COMPATIBILITY
Abrasive and tool compatibility
- Match the abrasive diameter or sheet size and attachment style to the exact tool or block.
- Use only at or below the abrasive's rated speed and with the tool's required pad, guard, or dust-control equipment.
- Test the selected grit and process on a small area when the finish system or substrate is unfamiliar.
QUICK ANSWERS
Common questions
Which grit should I choose?
Choose among 36E, 40E, 80E. Match the selection to the work and the manufacturer's current instructions.
What arrives when I order one?
One order adds one selected roll or package, as shown by the chosen option. The table above shows the exact choice tied to each MPN.
How do I choose the right grit?
Start with the surface condition and the next coating or finishing step. Follow the paint or repair system's grit sequence rather than choosing only by how fast the abrasive cuts.
What should I verify before using 3M™ Hookit™ Blue Abrasive Sheet Roll 521U – 2-3/4 in?
Confirm the selected MPN, application, required companion products or accessories, and current 3M instructions before use.
Regular price
$47.42
Regular price
Sale price
$47.42
Shipping calculated at checkout.
Quantity
Couldn't load pickup availability
- Ships in 1–2 business days from Eugene, OR
- Free ground shipping over $425 · $9.99 under
- Free pickup in Eugene, OR — usually ready in 24 hours
- 30-day returns on unopened, resalable items
Low stock
Product features
Product features
Technical details
General
- Part number
- 37450
- Brand
- 3M
- Product type
- Abrasives
3M™ Hookit™ Blue Abrasive Sheet Roll 521U – 2-3/4 in
$47.42