Boring: Positive insert (Cutting diameter under 10 mm)

ISOWorkpiece materialHardnessCutting rangeApplicationsChipbreakerInsert gradesCorner-RLower limit - Recommendation - Upper limit
classification(RE)Vc (m/min)ap (mm)f (mm/rev)
FinishingContinuousEZB-FPR12250.0530 - 70 - 1100.05 - 0.1 - 0.20.01 - 0.04 - 0.07
HBSolid typeInterruptionEZB-H0.1530-60-900.05-0.1-0.20.03-0.07-0.1
Low-carbon steelFinishingContinuousFPR17250.140 - 80 - 1200.05 - 0.08 - 0.10.03 - 0.05 - 0.07
Low-carbon alloy300Interruption0.240-70-1000.05-0.1-0.150.03-0.07-0.1
Finishing-MediumContinuous InterruptionCFPR17250.1 0.240 - 80 - 120 40-70-1000.05 - 0.15 - 0.25 0.05-0.15-0.250.03 - 0.05 - 0.07 0.03-0.07-0.1
FinishingContinuousEZB-FPR12250.0530 - 70 - 1100.05 - 0.1 - 0.20.01 - 0.04 - 0.07
HBSolid typeInterruptionEZB-H0.1530-60-900.05-0.1-0.20.03-0.07-0.1
Medium-carbon steelContinuous0.140 - 80 - 1200.05 - 0.08 - 0.10.03 - 0.05 - 0.07
PMedium-carbon alloy≤ 300FinishingInterruptionFPR17250.240-70-1200.05-0.1-0.150.03-0.07-0.1
Continuous0.140 - 80 - 1200.05 - 0.15 - 0.250.03 - 0.05 - 0.07
Finishing-MediumInterruptionCFPR17250.240-70-1000.05-0.15-0.250.03-0.07-0.1
FinishingContinuousEZB-F0.0530 - 70 - 1100.05 - 0.1 - 0.20.01 - 0.04 - 0.07
HBSolid typeInterruptionEZB-HPR12250.1530-60-900.05-0.1-0.20.03-0.07-0.1
Continuous0.140 - 80 - 1200.05 - 0.08 - 0.10.03 - 0.05 - 0.07
High-carbon alloy≤ 280FinishingInterruptionFPR17250.240-70-1000.05-0.1-0.150.03-0.07-0.1
Continuous0.140 - 80 - 1200.05 - 0.15 - 0.250.03 - 0.05 - 0.07
Finishing-MediumInterruptionCFPR17250.240-70-1000.05-0.15-0.250.03-0.07-0.1
FinishingContinuousEZB-F0.0530 - 60 - 800.05 - 0.1 - 0.20.01 - 0.03 - 0.05
HBSolid typeInterruptionEZB-HPR12250.1530-60-800.05-0.1-0.20.02-0.05-0.07
Sl lFiihiContinuousFPR12250.130 - 60 - 800.05 - 0.08 - 0.10.03 - 0.05 - 0.07
tainess steensngInterruptionPR15350.230-60-800.05-0.1-0.150.03-0.07-0.1
220FhMdContinuousCFPR12250.130 - 60 - 800.05 - 0.15 - 0.250.03 - 0.05 - 0.07
inising-eiumInterruptionPR15350.230-60-800.05-0.15-0.250.03-0.07-0.1
MFinishingContinuousEZB-F0.0530 - 60 - 800.05 - 0.1 - 0.20.01 - 0.03 - 0.05
HBSolid typeInterruptionEZB-HPR12250.1530-60-800.05-0.1-0.20.02-0.05-0.07
Stainless steelFinishinContinuousFPR12250.130 - 60 - 800.05 - 0.08 - 0.10.03 - 0.05 - 0.07
gInterruptionPR15350.230-60-800.05-0.1-0.150.03-0.07-0.1
300Finishin-MediumContinuousCFPR12250.130 - 60 - 800.05 - 0.15 - 0.250.03 - 0.05 - 0.07
gInterruptionPR15350.230-60-800.05-0.15-0.250.03-0.07-0.1
FinishingContinuous(VNB)0.0330 - 60 - 1000.05 - 0.08 - 0.10.03 - 0.05 - 0.07
Solid typeInterruption(VNB-NB)KW100.230 - 60 - 1000.05 - 0.1 - 0.150.03 - 0.07 - 0.1
HBContinuous0.130 - 60 - 1000.05 - 0.08 - 0.10.03 - 0.05 - 0.07
Gray cast iron≤ 250FinishingInterruptionFKW100.230 - 60 - 800.05 - 0.1 - 0.150.03 - 0.07 - 0.1
Finishin-MediumContinuousWithoutKW100.230 - 60 - 1000.1 - 0.2 - 0.30.03 - 0.05 - 0.07
gInterruptionchipbreaker0.430 - 60 - 800.1 - 0.2 - 0.30.03 - 0.07 - 0.1
KFinishingContinuous(VNB)0.0330 - 60 - 800.05 - 0.08 - 0.10.03 - 0.05 - 0.07
Solid typeInterruption(VNB-NB)KW100.230 - 60 - 800.05 - 0.1 - 0.150.03 - 0.07 - 0.1
Nodular cast ironHB ≤FinishingContinuousFUKW100.130 - 60 - 800.05 - 0.08 - 0.10.03 - 0.05 - 0.07
270Interruption,0.230 - 60 - 800.05 - 0.1 - 0.150.03 - 0.07 - 0.1
FiihiMdiContinuousWithoutKW100.230 - 60 - 1000.1 - 0.2 - 0.30.03 - 0.05 - 0.07
nsng-eumInterruptionchipbreaker0.430 - 60 - 800.1 - 0.2 - 0.30.03 - 0.07 - 0.1
Non-ferrous metalsHigh Speed Finishing Rainbow surfaceglossContinuousWithout chipbreakerKPD0010.05150 - 200 - 3000.05 - 0.1 - 0.30.05 - 0.1 - 0.15
NCopper alloyHBFinishingContinuousF UPDL0250.1100 - 150 - 2000.05 - 0.3 - 0.50.03 - 0.1 - 0.2
Aluminum≤ 100Longtool lifeInterruption,0.2100 - 150 - 2000.05 - 0.3 - 0.50.03 - 0.1 - 0.2
Aluminum alloysContinuous0.1100 - 150 - 2000.05 - 0.3 - 0.50.03 - 0.1 - 0.2
FinishingInterruptionF, UKW100.2100 - 150 - 2000.05 - 0.3 - 0.50.03 - 0.1 - 0.2
HBPrecision FinishingContinuousWithoutKPD0010.1100 - 120 - 1500.05 - 0.1 - 0.30.03 - 0.07 - 0.1
Rainbow surfaceglossInterruptionchipbreaker0.270 - 100 - 1200.05 - 0.1 - 0.30.03 - 0.07 - 0.1
Titanium alloys≤ 400Continuous0.120 - 40 - 600.05 - 0.2 - 0.50.03 - 0.1 - 0.2
FinishingInterruptionF, UKW100.220 - 40 - 600.05 - 0.2 - 0.50.03 - 0.1 - 0.2
SFinishingContinuous0.210 - 30 - 500.05 - 0.1 - 0.30.03 - 0.05 - 0.1
HBSolid typeInterruption(VNB)KW100.210 - 30 - 500.05 - 0.1 - 0.30.03 - 0.05 - 0.08
Heat-resistant alloys
350FinishingContinuous InterruptionF,UKW100.2 0.210 - 30 - 50 10 - 30 - 500.05 - 0.2 - 0.4 0.05 - 0.2 - 0.40.03 - 0.05 - 0.1 0.03 - 0.05 - 0.1
40~50Continuous0.230 - 50 - 700.05 - 0.1 - 0.40.01 - 0.02 - 0.05
HHardened steelHRCFinishingInterruption(VNB)PR9300.230 - 50 - 700.05 - 0.1 - 0.20.01 - 0.02 - 0.03
Hard materials45~68FiihiContinuousMEKBN05M0.260 - 100 - 1400.05 - 0.1 - 0.20.02 - 0.05 - 0.1
HRCnsngInterruptionMES0.460 - 80 - 1200.05 - 0.1 - 0.20.02 - 0.05 - 0.1

* Please use it with PR1725 set to Vc = 150 m/min or below, for machining of free-cutting steel such as small size SUM. For ap and f, refer to specs for low carbon steels.

  • ap indicates radius