Soft Gray Cast Iron - Milling

INCH

Diameter
SFM
IPT
0.750 - 1.000
200 - 475 SFM
0.0030 - 0.0040
0.625 - 0.750
200 - 475 SFM
0.0025 - 0.0030
0.500 - 0.625
200 - 475 SFM
0.0020 - 0.0025
0.250 - 0.500
200 - 475 SFM
0.0010 - 0.0020
0.125 - 0.250
200 - 475 SFM
0.0005 - 0.0010
0.000 - 0.125
200 - 475 SFM
0.0000 - 0.0005

Warning

Always use the speeds and feeds recommended from your tool manufacturer. Easy Speeds And Feeds only serves as a starting point and educational site.

 
 

Soft Gray Cast Iron - HSS Drills

INCH

Diameter
SFM
IPR
0.750 - 1.000
75 - 125 SFM
0.013 - 0.014
0.500 - 0.750
75 - 125 SFM
0.011 - 0.013
0.250 - 0.500
75 - 125 SFM
0.006 - 0.011
0.125 - 0.250
75 - 125 SFM
0.004 - 0.006
0.000 - 0.125
75 - 125 SFM
0.000 - 0.004

Warning

Always use the speeds and feeds recommended from your tool manufacturer. Easy Speeds And Feeds only serves as a starting point and educational site.

 

Soft Gray Cast Iron - Carbide Drills

INCH

Diameter
SFM
IPR
0.750 - 1.000
150 - 250 SFM
0.008 - 0.011
0.500 - 0.750
150 - 250 SFM
0.006 - 0.008
0.250 - 0.500
150 - 250 SFM
0.004 - 0.006
0.125 - 0.250
150 - 250 SFM
0.002 - 0.004
0.000 - 0.125
150 - 250 SFM
0.000 - 0.002

Warning

Always use the speeds and feeds recommended from your tool manufacturer. Easy Speeds And Feeds only serves as a starting point and educational site.

 

Soft Gray Cast Iron - Carbide Reamers

INCH

diameter
SFM
IPR
0.750 - 1.000
50 - 190 SFM
0.018 - 0.024
0.500 - 0.750
50 - 190 SFM
0.014 - 0.018
0.250 - 0.500
50 - 190 SFM
0.009 - 0.014
0.125 - 0.250
50 - 190 SFM
0.005 - 0.009
0.000 - 0.125
50 - 190 SFM
0.000 - 0.005

Warning

Always use the speeds and feeds recommended from your tool manufacturer. Easy Speeds And Feeds only serves as a starting point and educational site.

 

Soft Gray Cast Iron - Carbide Thread Mill

INCH

Diameter
SFM
IPR
0.5000 - 0.7500
400 - 500 SFM
0.0020 - 0.0035
0.3750 - 0.5000
400 - 500 SFM
0.0014 - 0.0020
0.2500 - 0.3750
400 - 500 SFM
0.0009 - 0.0014
0.1875 - 0.2500
400 - 500 SFM
0.0006 - 0.0009
0.1250 - 0.1875
400 - 500 SFM
0.0004 - 0.0006
0.0000 - 0.1250
400 - 500 SFM
0.0000 - 0.0004

Warning

Always use the speeds and feeds recommended from your tool manufacturer. Easy Speeds And Feeds only serves as a starting point and educational site.