Made of radially arranged flaps of non-woven abrasive material.
4" x 2" POLINOX® Non-Woven Finishing Drum - 5/8-11 Thread, PNL Type -A/O 180 Grit POLINOX® unmounted flap wheels, threaded, consist of non-woven polyamide abrasive, into which abrasive grain is integrated.The unmounted flap wheel is designed for working on medium-sized surfaces with variable-speed angle grinders and fillet weld grinders, and can be mounted directly onto the drive system’s spindle without the need for additional clamping devices. The wide range of hardness grades and different configurations allow a variety of surface structures and roughness levels to be achieved.