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USER GUIDE
THREADING
Cutting Data
Steel (N/mm Tensile Strength) Stainless
Carbide Grade Steel Cast Iron Non-ferrous
400-500 500-700 700-850 850-1150 >1150
Cutting IC228 160 140 120 90 70 90 100 300
Speed
Vc (m/min) IC908 185 160 140 105 80 105 115 350
Pitch (p) mm TPI No. of Passes
0.5 48 6 6 7 7 8 8 7 6
0.75 32 8 8 9 9 10 10 9 8
1.0 24 10 10 12 12 12 12 12 10
1.25 20-19 12 12 14 14 15 15 14 12
1.5 16 15 15 17 17 18 18 17 15
For internal threading of small diameters, the PVD coated grade IC228 is recommended.
ISO P ISO M ISO K ISO N ISO S ISO H
1-11 12-13 14 15-20 21-28 31-37 38-41
Stainless
Steel
Stainless Austenitic
Steel & Duplex High
Ferritic & (Ferritic- Non- Temperature Hard Steel
Material groups Steel Martensitic Austenitic) Cast Iron ferrous Alloys & Cast Iron
Harder IC1007 IC1007 IC1007 IC1007 IC08 IC806 IC1007
IC808 (IC908) IC808 (IC908) IC1007
IC808 IC808
IC250 (IC950) (IC908) (IC908) IC250 (IC950) IC228 IC808 (IC908) IC808 (IC908)
THREADING Tougher IC228 IC228 IC228 IC228 IC28
First choice
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