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5/16" Dia, 2 Flute, Ball Nose End Mill - 30490

SERIES: 03B

General Application End Mill

5/16" Dia, 0.8120" LOC, 5/16" Shank Dia, 2 Flute, 30 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 03B, Ball Nose End Mill - 30490

SKU / EDP	30490
Category	Solid Round Tools > Milling > General Application End Mills
Min Order Qty	1
Series	03B
Series Description	General Application End Mill
High Performance	No
End Configuration	Ball Nose
Tool Length	Regular
Unit (inch/mm)	inch
Number of Flutes	2
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) (Fractional Inch)	5/16
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
Shank Length (LS) (mm)	42.88
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 Type	Straight
Weldon Flat	No
Coolant Option	External Coolant
Coating Description	AlTiN (Ti-NAMITE-A)
Additional Geometry	Right Hand Cut Direction (RHC)
Rake Angle	Positive
Helix Angle	Right Spiral
Helix Angle (Degree)	30
Variable Helix	No
Center Cutting	Yes
Chip Breaker	No