- Active grinding agent provides cool cutting with light pressure
- Special optimized resin bond offers maximum cutting capacity, strong edge stability, and long life
- Premium Zirconia Alumina grain with a poly/cotton heat-treated backing
- Recommended for aggressive use and heavy duty applications
![CGW Abrasives Prem Z3 Reg T29 Flap Disc, 4 1/2",36 Grit,7/8 Arbor, 13,300 rpm, 1 EA, #42321 CGW Abrasives Prem Z3 Reg T29 Flap Disc, 4 1/2",36 Grit,7/8 Arbor, 13,300 rpm, 1 EA, #42321](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/224786/319534/421-39949__14681.1590787510.jpg?c=2)