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1/4" Dia, 7 Flute, Chip Breaker Square End Mill - 77115

SERIES: 77S

H-Carb

1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77S, H-Carb, Chip Breaker Square End Mill - 77115

Feature & Benefits

Specializes in deep axial trochoidal and high-speed milling applications
Optimized core improves rigidity, chip flow and reduces deflection
Chip Breaker design breaks up chips from the long flute length allowing for better chip flow and evacuation in deep pocketing operations

SKU / EDP	77115
Category	Solid Round Tools > Milling > High Performance End Mills
Min Order Qty	1
Series	77S
Series Description	H-Carb
High Performance	Yes
End Configuration	Chip Breaker (Square)
Tool Length	Long
Unit (inch/mm)	inch
Number of Flutes	7
Primary Workpiece Material	(P) Steel\|(M) Stainless Steel\|(K) Cast Iron\|(S) High Temp Alloy
Secondary Workpiece Material	(H) Hardened Materials
Cutting Diameter (DC) (Decimal Inch)	0.2500
Cutting Diameter (DC) (Fractional Inch)	1/4
Cutting Diameter (DC) (mm)	6.35
Shank Diameter (DCON) (Decimal Inch)	0.2500
Shank Diameter (DCON) (Fractional Inch)	1/4
Shank Diameter (DCON) (mm)	6.35
Length of Cut (APMX) (Decimal Inch)	0.7500
Length of Cut (APMX) (Fractional Inch)	3/4
Length of Cut (APMX) (mm)	19.05

Overall Length (LF) (Decimal Inch)	2.5000
Overall Length (LF) (Fractional Inch)	2-1/2
Overall Length (LF) (mm)	63.50
Non-Cutting Center Diameter (NCD) (Decimal Inch)	0.0845
Non-Cutting Center Diameter (NCD) (mm)	2.15
Cutting Diameter (DC) Tolerance (Decimal Inch)	+0.0000/-0.0012
Cutting Diameter (DC) Tolerance (mm)	+0.000/-0.030
Shank Diameter (DCON) Tolerance (ISO)	h6
Shank Diameter (DCON) Tolerance (Decimal Inch)	+0.0000 / -0.00035
Shank Diameter (DCON) Tolerance (mm)	+0.0000 / -0.009
Shank Type	Straight
Weldon Flat	No
Coolant Option	External Coolant
Coating Description	TM (Ti-NAMITE-M)
Additional Geometry	Chip Breaker / Right Hand Cut Direction (RHC)
Rake Angle	Positive
Helix Angle	Right Spiral
Helix Angle (Degree)	37
Variable Helix	No
Center Cutting	No
Chip Breaker	Yes

Alternative Products SKU / EDP to 77115

1/4" Dia, 7 Flute, Square End End Mill - 77112

SGS 1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77S, H-Carb, Square End End Mill - 77112

1/4" Dia, 7 Flute, Chip Breaker Square End Mill - 77114

SGS 1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77S, H-Carb, Chip Breaker Square End Mill - 77114