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5/16" Dia, 4 Flute, Ball Nose End Mill - 31906

SERIES: E1B

General Application End Mill

5/16" Dia, 1-5/8" LOC, 5/16" Shank Dia, 4 Flute, 30 Degree Helix, Ti-NAMITE (TiN) Coated, Series E1B, Ball Nose End Mill - 31906

SKU / EDP	31906
Category	Solid Round Tools > Milling > General Application End Mills
Min Order Qty	1
Series	E1B
Series Description	General Application End Mill
High Performance	No
End Configuration	Ball Nose
Tool Length	Extra Long
Unit (inch/mm)	inch
Number of Flutes	4
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)	1.6250
Length of Cut (APMX) (Fractional Inch)	1-5/8
Length of Cut (APMX) (mm)	41.28
Overall Length (LF) (Decimal Inch)	4.0000

Overall Length (LF) (Fractional Inch)	4
Overall Length (LF) (mm)	101.60
Shank Length (LS) (Decimal Inch)	2.3750
Shank Length (LS) (Fractional Inch)	2-3/8
Shank Length (LS) (mm)	60.33
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	TiN (Ti-NAMITE)
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