4 Select chipbreaker style for the application: See the application guide on page E112 for a complete list of insert styles.

insert typesteelstainless steelcast ironnon-ferrous metalshigh-temp alloyshardened materials
fi rst choiceX2-Ultra (X2has wipers)X2-UltraX2-UltraX2-UltraX2-Ultra
second choiceS2-UltraS2-UltraClassicS2-UltraS2-UltraX2

second choice S2-Ultra S2-Ultra Classic S2-Ultra S2-Ultra X2

5 Select grade:

Recommended Grades
machining conditionsteelstainless steelcast ironnon-ferrous metalshigh-temp alloyshardened materials
high performanceM93M433BM93M93M433B
for optimal conditions (clean cuts, good machine condition, higher speed capability)M93M93
general purpose (1st choice for general machining)M43M43M43M43M43M93
unfavourable conditionsM45M45M45M45M45
(interrupted cuts, low speeds, etc.)M40M40M40M40M40

See page E109 for Grades and Grade Descriptions.

6 Determine cutting data: A Based on material group and grade, identify starting speed (vc). B First choice starting speed is in bold. See page E113 for cutting data. A B