Sumaku ya Neodymium(NdFeB) hutumika sana katika nyanja nyingi, kama vile motors, sensorer, maikrofoni, turbines za upepo, jenereta za upepo, printa, swichi, sanduku la kufunga, vipaza sauti, kutenganisha sumaku, ndoano za sumaku, kishikilia sumaku, chuck ya sumaku, nk.