3M Hookit Blue Abrasive Sheet Roll 321U combines a ceramic/aluminum oxide mineral blend with a multi-hole dust-extraction pattern for paint preparation and body repair. Perforated sheets tear to the required length, attach quickly to compatible Hookit blocks and can be removed cleanly. Choose the grit that matches the repair step.
THE ESSENTIALS
At a glance
Product type
Abrasives
Grit
P240, P120, P80, P220, P150, P320, plus 3 more
Series
321U
Product Form
Sheet Roll
Abrasive Material
Ceramic Aluminum Oxide
Available configurations
9
Manufacturer part numbers
36193, 36189, 36187, 36192, 36190, plus 4 more
WHY IT WORKS
Why this product
Application Compatibility
Use with a compatible multi-hole Hookit sanding block and extraction system.
the Stocked Roll Width and Length
The stocked roll width and length are fixed; the customer-facing choice is grit.
Progress From Coarse Filler and Coating
Progress from coarse filler and coating work to finer primer and paint-preparation grades.
Perforated Sheets Tear to the Required Length,
Perforated sheets tear to the required length, attach quickly to compatible Hookit blocks and can be removed cleanly.
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
36193
Grit: P240
1 selected roll or package, as shown by the chosen option
051131361935
36189
Grit: P120
1 selected roll or package, as shown by the chosen option
051131361898
36187
Grit: P80
1 selected roll or package, as shown by the chosen option
051131361874
36192
Grit: P220
1 selected roll or package, as shown by the chosen option
051131361928
36190
Grit: P150
1 selected roll or package, as shown by the chosen option
051131361904
36195
Grit: P320
1 selected roll or package, as shown by the chosen option
051131361959
36197
Grit: P500
1 selected roll or package, as shown by the chosen option
051131361973
36198
Grit: P600
1 selected roll or package, as shown by the chosen option
051131361980
36196
Grit: P400
1 selected roll or package, as shown by the chosen option
051131361966
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 P240, P120, P80, P220, P150, P320, plus 3 more. 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 321U?
Confirm the selected MPN, application, required companion products or accessories, and current 3M instructions before use.