Extra long-lasting Unmounted Silicone Bonded Wheels have silicon carbide, silicon dioxide and aluminum oxide abrasive compound in a silicone binder. They are suitable for grinding, smoothing, and cleaning glass, high speed steel, and other tough materials. 22 mm (.866) diameter x 3.5 mm (.137) thick 1/16 Arbor Hole.

In Packs of 50:
A-SW239-50 Extra Fine Blue-green
A-SW237-50 Fine Green
A-SW235-50 Medium Orange
A-SW233-50 Coarse Black

Use with A-M1, A-M6,A-M13, A-M15 or A-M19mandrels.

10,000 RPM Max Speed. Made in USA.

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C018P