Gray Cast iron - Milling

METRIC

Diameter
SMM
MMPT
0.750 - 1.000
38 - 114 SMM
0.0762 - 0.1016
0.625 - 0.750
38 - 114 SMM
0.0635 - 0.0762
0.500 - 0.625
38 - 114 SMM
0.0508 - 0.0635
0.250 - 0.500
38 - 114 SMM
0.0254 - 0.0508
0.125 - 0.250
38 - 114 SMM
0.0127 - 0.0254
0.000 - 0.125
38 - 114 SMM
0.0000 - 0.0127

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.

 
 

Gray Cast Iron - HSS Drills

METRIC

Diameter
SMM
MMPR
19.05 - 25.40
21 - 30 SMM
0.3302 - 0.3556
12.70 - 19.05
21 - 30 SMM
0.2794 - 0.3302
6.350 - 12.70
21 - 30 SMM
0.1524 - 0.2794
3.175 - 6.350
21 - 30 SMM
0.1016 - 0.1524
0.000 - 3.175
21 - 30 SMM
0.0000 - 0.1016

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.

 

Gray Cast Iron - Carbide Drills

METRIC

Diameter
SMM
MMPR
19.05 - 25.40
57 - 76 SMM
0.2540 - 0.3302
12.70 - 19.05
57 - 76 SMM
0.2032 - 0.2540
6.350 - 12.70
57 - 76 SMM
0.1524 - 0.2032
3.175 - 6.350
57 - 76 SMM
0.1016 - 0.1524
0.000 - 3.175
57 - 76 SMM
0.0000 - 0.1016

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.

 

Gray Cast Iron - Carbide Reamers

METRIC

Diameter
SMM
MMPR
19.05 - 25.40
22 - 53 SMM
0.3810 - 0.4572
12.70 - 19.05
22 - 53 SMM
0.3048 - 0.3810
6.350 - 12.70
22 - 53 SMM
0.2032 - 0.3048
3.175 - 6.350
22 - 53 SMM
0.1016 - 0.2032
0.000 - 3.175
22 - 53 SMM
0.0000 - 0.1016

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.

 

Gray Cast Iron - Carbide Thread Mill

METRIC

Diameter
SMM
MMPT
12.700 - 19.050
106 - 152 SMM
0.05080 - 0.08890
9.5250 - 12.700
106 - 152 SMM
0.03556 - 0.05080
6.3500 - 9.5250
106 - 152 SMM
0.02286 - 0.03556
4.7625 - 6.3500
106 - 152 SMM
0.01524 - 0.02286
3.1750 - 4.7625
106 - 152 SMM
0.01016 - 0.01524
0.0000 - 3.1750
106 - 152 SMM
0.00000 - 0.01016

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.