USER GUIDE Selection Guide for Chipformers and Grades ISO P - Steel ISO P - Steel ISO P - Steel Finishing Medium Roughing SF M3P GN IC8150 IC520N TIGHT HARD TIGHT HARD TIGHT HARD R3P ISOTURN INSERTS PF IC8150 IC8250 IC530N NR PP NF/SM HT/ WG IC570 HTW F3P OPEN OPEN OPEN TOUGH TOUGH TOUGH IC8350 TF IC8150 NM/ TNM RF/LF T3P IC8250 WF/WG GN H6P - Wiper IC8250 IC3028 First Choice IS0 N - Aluminum IS0 N - Aluminum IS0 N - Aluminum Finishing Medium Roughing NF PP .CGT- AS ID5 ID5 TIGHT HARD TIGHT HARD TIGHT HARD IC20 IC520 IC520 .CGT- .CGT- .NMS- 12 OPEN AS OPEN TOUGH OPEN AS TOUGH TOUGH IC20 IC20 First Choice 106 106 ISCAR ISCAR