... (PTA level to Industry level) Tips from CERATIZIT/SUMITOMO, both HM and CERMET Saw blade1. Size: 80mm --- 450mm2. the body material ... , 75CRS, SKS-513. the tip material: from SUMITOMO/CERATIZIT, both HM and CEMERT Specification outer diameterkerfinner holeteethinchmetric (mm) (mm)4"110 ...