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1/4" Dia, 4 Flute, Square End End Mill - 70475


SERIES: 7S
Series 7
1/4" Dia, 1-1/2" LOC, 1/4" Shank Dia, 4 Flute, 38 Degree Helix, Ti-NAMITE-X (TX) Coated, Series 7S, Series 7, Square End End Mill - 70475
Feature & Benefits
Variable pitch allows for improved chatter suppression along with improved surface finish and enhanced tool life
Raised land and increased core diameter designed to enhance tool life and decrease tool deflection
Recommended for materials ≤ 45 HRc (≤ 420 Bhn)
List Price: $61.71
U.S. stocked items ship next day
Total Available U.S. :65
Series DescriptionSeries 7
High PerformanceYes
End ConfigurationSquare End
Unit (inch/mm)inch
Number of Flutes4
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) (mm)6.35
Length of Cut (APMX) (Decimal Inch)1.5000
Length of Cut (APMX) (Fractional Inch)1-1/2
Length of Cut (APMX) (mm)38.10
Overall Length (LF) (Decimal Inch)4.0000
Overall Length (LF) (Fractional Inch)4
Overall Length (LF) (mm)101.60
Shank Length (LS) (Decimal Inch)2.5000
Shank Length (LS) (Fractional Inch)2-1/2
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 TypeStraight
Coolant OptionExternal Coolant
Coating Description TX (Ti-NAMITE-X)
Additional GeometryRight Hand Cut Direction (RHC)
Rake AnglePositive
Helix AngleRight Spiral
Helix Angle (Degree)38
Variable HelixNo
Center CuttingYes
Chip BreakerNo
Shipping Weight0.1000
Series7S
Weldon FlatNo
US Stock65
Shank Length (LS) (mm)63.50
Shank Diameter (DCON) (Fractional Inch)1/4
Tool LengthExtra Long
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