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. 3M™ Hookit™ Blue Abrasive Discs 36146 are a cost-effective, high-performance upgrade for primer sanding jobs in collision repair and other industrial work. The multi-hole pattern provides excellent dust extraction to help reduce loading and help extend disc life, while the universal design aligns with most sanders and backup pads for durable, long-lasting use. Quickly change discs with the Hookit™ attachment system - a hook-and-loop feature which helps make disc attachment, removal, and re-attachment clean and easy. 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. 3M™ Hookit™ Blue Abrasive Discs 36146 deliver best-in-class cut, life, and efficiency across your entire shop.
- QUALITY: Get a best-in-class cut rate and disc life with 180 Grade 3M™ Hookit™ Blue Abrasive Discs, a workhorse abrasive for auto repair professionals
- MAXIMUM PERFORMANCE: Engineered ceramic mineral blend is balanced for maximum abrasive performance in its class
- MULTI-HOLE PATTERN: Provides excellent dust extraction to help reduce loading and help extend disc life
- UNIVERSAL DESIGN: Designed to help you get your work done quicker and help you spend less time changing abrasives mid job
- EASY CHANGE-OUTS: Change out discs quickly with the 3M™ Hookit™ attachment system
| Abrasive Material | Ceramic Aluminum Oxide |
| Attachment Type | Hook & Loop |
| Backing Material | Paper |
| Backing Weight | C Weight |
| Bond Type | Resin |
| Brand | 3M |
| Center Hole Diameter (Imperial) | 0.0 NP |
| Coat Type | Closed Coat |
| Converted Form | Disc |
| Form Type | Clean Sanding |
| Grade | Non Pertinent |
| Grit | 180 |
| Micron Grade | Non Pertinent |
| Number Of Vacuum Holes | 7 |
| Overall Diameter (Imperial) | 3.0 in |
| Performance Level | Better |
| Product Form | Disc |
| Sanding Method | Machine |
| Vacuum Support | Yes |
| Wet Or Dry | Dry |
| Collection | Hookit™ |
| Color | Blue |
| Color/Finish Family | Blue |
| Application | Clear Coat |


