TR discs have threaded central hubs that require two-and-a-half turns, and mount to Norton TR or 3M Roloc TR back up pads Zirconia alumina is self-sharpening and durable, allowing for a faster cut rate than aluminum oxide Cloth backing is stiffer, tougher, and thicker than a paper or film backing The dense placement of the abrasive grain in a closed-coat disc for a higher-quality finish than an open-coat disc Used with a molded rubber backing pad (sold separately) Superior Zirconia alumina grain promotes initial cut and actually self cuts with continued use Super hard phenolic resin bond system optimizes grain adhesion and extends product life Double laminated cloth discs get into hard-to-reach areas for the toughest jobs Speed-Lok TR system permits instant disc mounting and removal; when you are ready to change the disc, simply twist it off
| Color | Blue |
| Size | 3" |
| Gtin | 0662611386746 |
| Mpn | 66261138674 |
| Age_group | ADULT |
| Condition | NEW |
| Gender | UNISEX |
| Material | NorZon |
| Product_category | Gl_biss |
| Google_product_category | Business & Industrial |
| Product_type | Tools & Home Improvement > Power & Hand Tools > Power Tool Parts & Accessories > Power Finishing Tool Parts & Accessories > Power Sander Parts & Accessories > Sanding Discs > Fiber Backed Abrasive Discs |