Made of radially arranged flaps of non-woven abrasive material.
POLINOX® unmounted flap wheels, threaded, consist of non-woven polyamide abrasive, into which abrasive grain is integrated.. 4" x 2" POLINOX® Non-Woven Finishing Drum - 5/8-11 Thread, PNL Type -A/O 180 Grit 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. A long service life is achieved through the dense packing of the flaps.