These heavy-duty backup pads were designed for general purpose grinding and sanding applications with a resin fiber disc. They are constructed using a special rubber compound that holds up to the rigors of grinding applications, while allowing some flex. They include a screw on locking center nut and they are available in two different styles. Smoothed faced with a flat surface or spiral faced with raised fins that provide air circulation for cooler grinding.
Specifications
- Arbor Bore: 5/8-11
- Diameter: 4 1/2
- Product Weight: 0.17 lbs
- RPM: 20,000 Max

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