| SKU | 7100091111 |
|---|---|
| Legacy SKU | UU004899835 |
| UPC | 00051131361843 |
| Catalog Number | 36184 |
| Product Number | 321U |
The 3M Hookit Blue Abrasive Disc 321U delivers best-in-class performance at every stage of paint prep and coatings removal. Premium aluminum oxide mineral abrasive is blended with ceramic grain for a full range of sanding applications. The multi-hole discs feature a specially-designed pattern that reduces loading, extends disc life and aligns with most backup pads. Hookit attachment makes disc changes easy.
- A best-in-class abrasive for a variety of applications
- Engineered ceramic mineral blend is balanced for maximum abrasive performance in its class
- Discs available in mutli-hole pattern for excellent dust extraction or in no-hole format
- Anti-loading coating prevents dust and debris from clogging the cutting surface
- Upgraded resins improve durability and finish
Product Dimensions |
Imperial | Metric |
| Weight | 0.73899 lbs | |
|---|---|---|
| Width | 6.14173 in | |
| Length | 6.14173 in | |
| Height | 2.00787 in | |
| Diameter | 6 in | 152.4 mm |
| Center Hole Diameter | 0.0 NP |
Shipping Dimensions |
|
| Weight | 3.23198 lb |
|---|---|
| Length | 9.2126 in |
| Width | 6.88976 in |
| Height | 7.28346 in |
| Color | Blue |
|---|
PRODUCT FAQ
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What is the grit level of 3M™ Hookit™ Blue Abrasive Disc 321U Multi-hole, 36184?
The grit level of this disc is 800.
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How many discs are included in a carton and case of this product?
There are 50 discs per carton and 4 cartons per case for a total of 200 discs.
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Does the disc have any holes to aid in dust collection during use?
Yes, this disc has multiple holes which help improve dust extraction efficiency during sanding.
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Is there an adhesive backing on these discs that allows it to be attached to other tools or machines securely?
Yes, the hook-and-loop system used by Hookit™ products helps them attach firmly to backup pads.
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. Will I need any special tool for using these abrasive discs?
. These abrasive disks can be used with common orbital sander machines equipped with six-inch diameter disks
3M™ Hookit™ Blue Abrasive Discs 36184 are a cost-effective, high-performance upgrade for paint preparation and scuff sanding jobs.
The multi-hole pattern provides excellent dust extraction to help reduce loading and extend disc life. Additionally, the universal design aligns with most sanders and backup pads for durable, long-lasting use.
With the Hookit™ attachment system, disc attachment, removal, and re-attachment are clean and easy thanks to the hook-and-loop feature. The engineered ceramic mineral blend delivers strong abrasive performance in its class, and the anti-loading coating helps keep dust from gathering between the abrasive grains for a faster precision cut.
Experience best-in-class cut, life, and efficiency across your entire shop with 3M™ Hookit™ Blue Abrasive Discs 36184.

































