This single piece, cross-slit fibre disc offers excellent usage of the abrasive grain by means of an optimised layout. Low disc wear and optimised grain adhesion: This results in a long service life for the disc and fewer tool changes. These fibre discs are used together with a practical STF backing plate on angle grinding machines. The regular aluminium oxide used on this mounted flap wheel impresses with a good tool life on structural steel and for rough and coarse grinding. It allows you to work in a cost-effective manner. Regular testing of the fibre discs ensures a high degree of reliability.