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Cutting Speeds

Turning

    Milling   Drilling & Reaming   Top

Turning speeds are adjusted to the feed rate of the mini lathe (0.004/rev.), a depth of cut of 0.040, and a tool life of 180 minutes.

Material AISI/SAE/ASTM Designation HSS
Feet/Minute
Carbide
Feet/Minute
Free machining plain carbon steels (resulfurized) 1212, 1213, 1215 270 - 290 820 - 1045
Free machining plain carbon steels 1108, 1109, 1115, 1117, 1118, 1120, 1126, 1211 215 - 235 950
Free machining plain carbon steels 1132, 1137, 1139, 1140, 1144, 1146, 1151 70 - 215 670 - 800
Free machining plain carbon steels (Leaded) 11L17, 11L18, 12L13, 12L14 200 - 260 800 - 820
Plain carbon steels 1006, 1008, 1009, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1513, 1514 125 - 215 800 - 885
Plain carbon steels 1027, 1030, 1033, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1045, 1046, 1048, 1049, 1050, 1052, 1524, 1526, 1527, 1541 55 - 180 670 - 970
Free machining alloy steels (resulfurized): 4140, 4150 70 - 200 430 - 685
Water hardening tool steel W1, W2, W5 180 590
Cold work, oil hardening tool steel O1, O2, O6, O7 125 590
Cold work, air hardening tool steel A2, A3, A4, A6, A7, A8, A9, A10 80 - 125 355 - 365
Stainless steels (Austenitic) 201, 202, 301, 302, 304, 304L, 305, 308, 321, 347, 348 115 - 135 570
Cast Iron ASTM Class 20, 25, 30, 35, 40 145 - 215 410
Brass C35600, C37700, C36000, C33200, C34200, C35300, C48500, C34000 300 - 350 1170
Bronze C65500, C22600, C65100, C67500 200 - 250 715
Wrought aluminum 6061-T6, 5000, 6000, and 7000 series. 500 - 600 2820
Cast aluminum Sand and permanent mold casting alloys 600 - 750 2820
Cutting speed (FPM):
Work diameter (inches):  
Revolutions per minute: 

 

Milling

    Turning   Drilling & Reaming   Top
Material AISI/SAE/ASTM Designation Feet/Minute
Free machining plain carbon steels (resulfurized) 1212, 1213, 1215 130 - 140
Free machining plain carbon steels 1108, 1109, 1115, 1117, 1118, 1120, 1126, 1211 115 - 130
Free machining plain carbon steels 1132, 1137, 1139, 1140, 1144, 1146, 1151 35 - 70
Free machining plain carbon steels (Leaded) 11L17, 11L18, 12L13, 12L14 110 - 140
Plain carbon steels 1006, 1008, 1009, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1513, 1514 65 - 110
Plain carbon steels 1027, 1030, 1033, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1045, 1046, 1048, 1049, 1050, 1052, 1524, 1526, 1527, 1541 25 - 100
Free machining alloy steels (resulfurized) 4140, 4150 35 - 100
Water hardening tool steel W1, W2, W5 85
Cold work, oil hardening tool steel O1, O2, O6, O7 50
Cold work, air hardening tool steel A2, A3, A4, A6, A7, A8, A9, A10 40 - 50
Stainless steels (Austenitic) 201, 202, 301, 302, 304, 304L, 305, 308, 321, 347, 348 70 - 75
Cast Iron ASTM Class 20, 25, 30, 35, 40 70 - 100
Brass C33200, C34000, C34200, C35300, C35600, C36000, C37700,   C48500 100 - 200
Bronze C22600, C65100, C65500, C67500 30 - 80
Wrought aluminum 6061-T6, 5000, 6000, and 7000 series. 165
Cast aluminum Sand and permanent mold casting alloys 165
Cutting speed (FPM):
End mill diameter (inches):  
Revolutions per minute: 

 

Drilling & Reaming

    Turning   Milling   Top
Material AISI/SAE/ASTM Designation Drilling Feet/Minute Reaming Feet/Minute
Free machining plain carbon steels (resulfurized) 1212, 1213, 1215 120 - 125 80
Free machining plain carbon steels 1108, 1109, 1115, 1117, 1118, 1120, 1126, 1211 100 - 120 75 - 80
Free machining plain carbon steels 1132, 1137, 1139, 1140, 1144, 1146, 1151 35 - 70 20 - 45
Free machining plain carbon steels (Leaded) 11L17, 11L18, 12L13, 12L14 90 - 130 60 - 85
Plain carbon steels 1006, 1008, 1009, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1513, 1514 60 - 100 40 - 65
Plain carbon steels 1027, 1030, 1033, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1045, 1046, 1048, 1049, 1050, 1052, 1524, 1526, 1527, 1541 25 - 90 15 - 60
Free machining alloy steels (resulfurized) 4140, 4150 30 - 90 15 - 60
Water hardening tool steel W1, W2, W5 85 55
Cold work, oil hardening tool steel O1, O2, O6, O7 45 30
Cold work, air hardening tool steel A2, A3, A4, A6, A7, A8, A9, A10 30 - 50 20 - 35
Stainless steels (Austenitic) 201, 202, 301, 302, 304, 304L, 305, 308, 321, 347, 348 50 - 55 30 - 35
Cast Iron ASTM Class 20, 25, 30, 35, 40 80 - 100 50 - 65
Brass C35600, C37700, C36000, C33200, C34200, C35300, C48500, C34000 160 - 175 160 - 175
Bronze C65500, C22600, C65100, C67500 120 - 140 110 - 120
Wrought aluminum 6061-T6, 5000, 6000, and 7000 series. 350 - 400 350 - 400
Cast aluminum Sand and permanent mold casting alloys 350 - 400 350 - 400
Cutting speed (FPM):
Drill or reamer diameter (inches):  
Revolutions per minute: 
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