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5/16" Dia, 4 Flute, Ball Nose End Mill - 70451

SERIES: 7B

Series 7

5/16" Dia, 1-5/8" LOC, 5/16" Shank Dia, 4 Flute, 38 Degree Helix, Ti-NAMITE-X (TX) Coated, Series 7B, Series 7, Ball Nose End Mill - 70451

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
  • Ball end design ideal for finishing operations in complex workpieces
  • Recommended for materials ≤ 45 HRc (≤ 420 Bhn)

SKU / EDP70451
CategorySolid Round Tools > Milling > High Performance End Mills
Min Order Qty1
Series7B
Series DescriptionSeries 7
High PerformanceYes
End ConfigurationBall Nose
Tool LengthExtra Long
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)0.3125
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 TypeStraight
Weldon FlatNo
Coolant OptionExternal Coolant
Coating DescriptionTX (Ti-NAMITE-X)
Additional GeometryRight Hand Cut Direction (RHC)
Rake AnglePositive
Helix AngleRight Spiral
Helix Angle (Degree)38
Variable HelixNo
Center CuttingYes
Chip BreakerNo

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