Norton Blaze R980P Abrasive Flap Disc, Type 29, Threaded Hole, Fiberglass Backing, Ceramic Aluminum Oxide, 4-1/2" Dia., 36 Grit (Pack of 10)

Key features

• Ceramic aluminum oxide is a self-sharpening grit that is harder, tougher, and lasts longer than aluminum oxide
• Type 29 reversed saucer-shape, for aggressive stock removal
• Full Y-weight polyester, resin bonding system with heavy-duty fiber backing for increased strength, durability and tear resistance
• Durable fiberglass backing plate helps absorb vibration with no smearing
• Supersize grinding aid provides a cooler cutting and faster cut rate

Norton Blaze R980 abrasive flap discs are suitable for aggressive stock removal on stainless steel, cobalt, chrome, titanium and other hard-to-grind materials. Norton flap discs are designed for right-angle, handheld, grinding machines for heavy stock removal and surface blending. With a type 29 flap disc, hold the grinder in operation at an angle between fifteen and twenty five degrees to the work surface. Steeper angles will weaken the flap edges. The weight of the backing is designated by letters J, X, Y, T or M. J is the lightest and M is the heaviest. A more flexible backing will follow irregular contours of a workpiece better than a stiffer one. Stiffer backing is more suited for regular round or flat surfaces.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. This disc features a resin bond. Resin bonds have good moisture resistance, are harder and less flexible than glue bonds, and have good hea

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