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Norton 662611-38671 Abrasive Disc 2in Type R Zirconia 36g 25/bx Norton 662611-38671 Abrasive Disc 2in Type R Zirconia 36g 25/bx
This item is brand-new, factory sealed.
Norton R884P BlueFire Speed-Lok Abrasive Disc, Cloth Backing, TR, Zirconia Alumina, 2" Diameter, Grit 36 (Pack of 25)
- 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)
The Norton R821 NorZon Plus quick-change disc has easy disc mounting and removal to increase productivity by reducing the time required to change discs. These sturdy cloth-backed discs are suitable for maintenance and repair applications like medium pressure grinding and light deburring on stainless steel.
Coated abrasives have individual abrasive grains spaced at a predetermined distance from one another. This is a closed-coat disc. A closed coat covers 100 percent of the surface with abrasive grains, for more stiffness and better surface finish than an equivalent open coat, where abrasive grit covers 50 to 70 percent of the surface. The Speed-Lok quick-change system allows for easy disc mounting and removal to increase productivity by reducing the time required to change discs. The cloth backing is stiffer, tougher, and thicker than a paper or film backing. Cloth resists tearing while bending and flexing during use. This disc is suitable for use with a die grinder. Use with molded-rubber back up pads. Use a hard pad for aggressive cutting, a medium pad for general-purpose applications, or a soft pad for contours and fine finishing work.
Zirconia alumina is a self-sharpening abrasive that allows for a faster cut rate and longer life than aluminum oxide, due to its ability to fracture and refracture, creating new cutting edges. Zirconia alumina is often used for high stock removal on wood and metals.
Abrasives are used for a variety of applications from shaping a part to fine finishing, depending on the grit size. Low grit numbers like 40 are coarse and are used for removing excess material and shaping a part. High grit numbers like 400 are fine and help to create a smooth surface finish.
Norton Abrasives manufactures a wide variety of sanding, grinding, and polishing abrasives, and has been located in the United States since 1885. In 1990, Saint-Gobain purchased Norton, keeping its manufacturing facilities and offices in the same location. Norton/Saint-Gobain has been recognized as a Global 100 Sustainable Company, as well as earning ISO 9000 and 14001 certification for quality and environmental management standards.
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