PSolRutiAonDtoosl ystem PRAD system E Material Max. Applicable class HSS-E HSS-Co HSS-P thread Cutting Forming TYPE (HSS) length ● ● 9 ISO 3 ISO 3X a ● ● 9 ISO 3 ISO 3X a ● ● 9 ISO 3 - a ● ● ● 8 ISO 3 ISO 3X b ● ● ● 8 ISO 3 - b ● ● ● 9 ISO 3 - b ● ● 11 ISO 3 ISO 3X b ● ● ● 13 ISO 3 ISO 3X b PRAD SYSTEM ● ● ● 14 ISO 3 ISO 3X b ● ● ● 14 ISO 3 - b ● ● ● 15 ISO 3 - b ● ● 15 ISO 3 - b ● ● ● 19 ISO 3 - c ● 23 ISO 3 - c ● ● ● 23 ISO 3 - c TYPE:c PRAD-4 761