Product Image
Product Image
Product Image

5/16" Dia, 4 Flute, Ball Nose End Mill - 30050


SERIES: 01B
General Application End Mill
5/16" Dia, 0.8120" LOC, 5/16" Shank Dia, 4 Flute, 30 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 01B, Ball Nose End Mill - 30050
List Price: $65.84
U.S. stocked items ship next day
Total Available U.S. :83
Series DescriptionGeneral Application End Mill
High PerformanceNo
End ConfigurationBall Nose
Unit (inch/mm)inch
Number of Flutes4
Primary Workpiece Material(P) Steel|(M) Stainless Steel|(K) Cast Iron|(N) Non-Ferrous Materials|(S) High Temp Alloy
Secondary Workpiece Material(H) Hardened Materials
Cutting Diameter (DC) (Decimal Inch)0.3125
Cutting Diameter (DC) (Fractional Inch)5/16
Cutting Diameter (DC) (mm)7.94
Shank Diameter (DCON) (Decimal Inch)0.3125
Shank Diameter (DCON) (mm)7.94
Length of Cut (APMX) (Decimal Inch)0.8120
Length of Cut (APMX) (mm)20.62
Overall Length (LF) (Decimal Inch)2.5000
Overall Length (LF) (Fractional Inch)2-1/2
Overall Length (LF) (mm)63.50
Shank Length (LS) (Decimal Inch)1.6880
Cutting Diameter (DC) Tolerance (Decimal Inch)+0.0000/-0.0020
Cutting Diameter (DC) Tolerance (mm)+0.000/-0.050
Shank Diameter (DCON) Tolerance (ISO)h6
Corner Radius (RE) Tolerance (Decimal Inch)+0.0000/-0.0010
Corner Radius (RE) Tolerance (mm)+0.000/-0.025
Shank TypeStraight
Coolant OptionExternal Coolant
Coating DescriptionAlTiN (Ti-NAMITE-A)
Additional GeometryRight Hand Cut Direction (RHC)
Rake AnglePositive
Helix AngleRight Spiral
Helix Angle (Degree)30
Variable HelixNo
Center CuttingYes
Chip BreakerNo
Shipping Weight0.0920
Series01B
Weldon FlatNo
US Stock83
Shank Length (LS) (mm)42.88
Shank Diameter (DCON) (Fractional Inch)5/16
Tool LengthRegular

Alternate Products

5/16" Dia, 4 Flute, Ball Nose End Mill - 39040
5/16" Dia, 0.8120" LOC, 5/16" Shank Dia, 4 Flute, 30 Degree Helix, Ti-NAMITE-C (TiCN) Coated, Series 01B, Ball Nose End Mill - 39040
List Price: $65.84
U.S. stocked items ship next day
Total Available U.S. :8
5/16" Dia, 4 Flute, Ball Nose End Mill - 39140
5/16" Dia, 0.8120" LOC, 5/16" Shank Dia, 4 Flute, 30 Degree Helix, Ti-NAMITE (TiN) Coated, Series 01B, Ball Nose End Mill - 39140
List Price: $65.84
U.S. stocked items ship next day
Total Available U.S. :0
5/16" Dia, 4 Flute, Ball Nose End Mill - 30140
5/16" Dia, 0.8120" LOC, 5/16" Shank Dia, 4 Flute, 30 Degree Helix, Uncoated, Series 01B, Ball Nose End Mill - 30140
List Price: $59.10
U.S. stocked items ship next day
Total Available U.S. :4
5/16" Dia, 4 Flute, Ball Nose End Mill - 91285
5/16" Dia, 0.8120" LOC, 5/16" Shank Dia, 4 Flute, 30 Degree Helix, Di-NAMITE (Diamond) Coated, Series 01B, Ball Nose End Mill - 91285
List Price: $275.90
U.S. stocked items ship next day
Total Available U.S. :0
This site uses cookies to improve your experience. By clicking, you agree to our Privacy Policy.