Dangane da nau'ikan karafa daban-daban da ake ƙasa, da kayan aikin daban-daban da ake amfani da su, zaɓi nau'ikan abrasives da tushe daban-daban don daidaitawa don cimma ingantaccen aiki.
Zaɓin bel ɗin yashi na hatsi iri-iri:
Brown fused alumina,
Silicon carbide,
Calcined abrasives,
Zirconia alumina,
Ceramic abrasives ,
Tara abrasives.