United Abrasives SAIT 77890 4-1/2x7/8 Unitized Wheels Series 8AM (821) Type 27 Aluminum Oxide Hard Density Medium Grade, 5 pack

• Great for controlled material removal while imparting a final finish
• Able to remove coated abrasive grind marks and polish welds
• Applications include cleaning, deburring, blending and polishing
• Great for edge breaking and final finishing
• Series 8AM: Provides high stock removal, long life and productivity, and very durable on edge

Type 27 unitized wheels are great for controlled material removal while imparting a final finish. These wheels also remove coated abrasive grind marks and polish welds, and are great for edge breaking and final finishing. A series of five styles offer different advantages when cleaning, finishing, grinding, deburring, blending and polishing: Series 2SM (formerly Series 524) for general purpose cleaning, finishing and polishing; Series 3SF (formerly Series 632) requires light pressure for fine finishing and polishing, highly conformable material that provides a clean, bright surface on stainless steel finishes, blends tool marks, and removes slight surface imperfections; Series 8AC (formerly Series 811) offers the highest stock removal and edge breaking capability, and is the most aggressive for deburring; Series 8AM (formerly Series 821) provides high stock removal, long life and productivity, and is very durable on edge; and Series 8ZC (new) provides extremely fast stock removal and exceptional durability, and is extremely durable on edge. Used for aluminum, ferrous metals, stainless steel, and high-tensile alloys. Package of 5.

Series:  Unitized Wheels

Application:  Aluminum/Metal/Stainless

Size:  4-1/2 in. x 7/8 in.

Max RPM:  10,000

Material:  Aluminum Oxide Grain

Type:  Hard Density

Package:  5