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1/4" Dia, 7 Flute, Square End End Mill - 36621

SERIES: 66S

Multi-Carb

1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 7 Flute, 35 Degree Helix, Ti-NAMITE-X (TX) Coated, Series 66S, Multi-Carb, Square End End Mill - 36621

Feature & Benefits

Heavy core and rigid design allow for straight walls
High flute count design results in smoother cutting performance and enhanced tool life in precise finishing applications
Enhanced corner geometry with tight tolerance corner radii
Recommended for materials ≤ 45 HRc (≤ 420 Bhn)

SKU / EDP	36621
Category	Solid Round Tools > Milling > High Performance End Mills
Min Order Qty	1
Series	66S
Series Description	Multi-Carb
High Performance	Yes
End Configuration	Square End
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
Shank Length (LS) (Decimal Inch)	1.7500
Shank Length (LS) (Fractional Inch)	1-3/4
Shank Length (LS) (mm)	44.45
Non-Cutting Center Diameter (NCD) (Decimal Inch)	0.0650
Non-Cutting Center Diameter (NCD) (mm)	1.65
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
Shank Type	Straight
Weldon Flat	No
Coolant Option	External Coolant
Coating Description	TX (Ti-NAMITE-X)
Additional Geometry	Right Hand Cut Direction (RHC)
Rake Angle	Positive
Helix Angle	Right Spiral
Helix Angle (Degree)	35
Variable Helix	No
Center Cutting	No
Chip Breaker	No

Alternative Products SKU / EDP to 36621

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