RIDGID Double Row Diamond Cup Wheels are engineered with top-grade industrial diamond for maximum cutting performance and superior grinding life. These cup wheels can be used for a wide range of projects from shaping and polishing of concrete surfaces and floors， to fast aggressive concrete grinding or leveling and coating removal. Heavy-duty steel core offers lasting durability. 4 in. cup wheel will fit a variety of small angle grinders with a 5/8-11 threaded arbor. Suitable for both dry or wet cutting conditions.

Professional-grade quality

Engineered for dry or wet concrete grinding， leveling， or coating removal

Double row segment design is formulated with high-grade diamond and unique bond matrix for fast and aggressive grinding

For use on 4 in. or 4.5 in. angle grinders

5/8 in. - 11 mm threaded arbor

MAX RPM 15，000

Faster grinding and longer life than standard abrasive grinding wheels