... , TIALN, ALTIN, TIAIN, etc.sizesstandard and non-standard.materialsolid carbide,hss,hss-coworkpiecwood,plywood,steel,aluminum,plastic,glass,stone etctool lifeLonger tool ... high wear resistant and impact-resistant application.hardnessGood for machining up to HRC65 degree carbide step reamer drilling and milling reamer and tapered hand reamer with ...