The HP high-performance aluminum flap disc features a stearate coating that helps prevent premature loading for long life. Its high-performance, aluminum oxide grain provides uniform surface finish, and is designed for grinding angles of 15-25 degrees with a Type 29 durable fiberglass backing. It is best used for grinding and finishing aluminum and Other soft metals.
Features
Hp 4-1/2-In. X 7/8-In. 40 Grit Aluminum Flap Disc
Long life - stearate coating prevents premature loading for long life
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