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0.0250" Dia, 4 Flute, Corner Radius End Mill - 08990

SERIES: M4C

Micro End Mill

0.0250" Dia, 0.0375" LOC, 1/8" Shank Dia, 0.0100" Radius, 4 Flute, 30 Degree Helix, Uncoated, Series M4C, Micro, Corner Radius End Mill - 08990

Feature & Benefits

  • Four flute design allows for higher feed rates and decreased deflection, improving productivity and surface finish
  • Enhanced corner geometry with tight tolerance corner radii
  • Proprietary coating allows for superior chip flow, driving industry leading productivity and value, even at low spindle speeds
  • High performance carbide substrate designed specifically for Micro Tool applications
  • Advanced geometries that extend tool life, reduce chatter, cut cycle times, and improve part quality
  • Manufactured in accordance with KSPT ISO certified quality procedures

SKU / EDP08990
CategorySolid Round Tools > Milling > Micro End Mills
Min Order Qty1
SeriesM4C
Series DescriptionMicro End Mill
High PerformanceNo
End ConfigurationCorner Radius
Tool LengthStub
Unit (inch/mm)inch
Number of Flutes4
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
LOC (xD)1.5xD
Cutting Diameter (DC) (Decimal Inch)0.0250
Cutting Diameter (DC) (mm)0.64
Shank Diameter (DCON) (Decimal Inch)0.1250
Shank Diameter (DCON) (Fractional Inch)1/8
Shank Diameter (DCON) (mm)3.18
Length of Cut (APMX) (Decimal Inch)0.0375
Length of Cut (APMX) (mm)0.95
Overall Length (LF) (Decimal Inch)1.5000
Overall Length (LF) (Fractional Inch)1-1/2
Overall Length (LF) (mm)38.10
Corner Radius (RE) (Decimal Inch)0.0100
Corner Radius (RE) (mm)0.25
Shank Length (LS) (Decimal Inch)1.4625
Shank Length (LS) (mm)37.15
Cutting Diameter (DC) Tolerance (Decimal Inch)+0.0000/-0.0010
Cutting Diameter (DC) Tolerance (mm)+0.000/-0.025
Shank Diameter (DCON) Tolerance (ISO)h6
Corner Radius (RE) Tolerance (Decimal Inch)+0.0000/-0.0005
Corner Radius (RE) Tolerance (mm)+0.000/-0.013
Shank TypeStraight
Weldon FlatNo
Coolant OptionExternal Coolant
Coating DescriptionBright/Uncoated
Additional GeometryRight Hand Cut Direction (RHC)
Rake AnglePositive
Profile Angle (Degree)15
Helix AngleRight Spiral
Helix Angle (Degree)30
Variable HelixNo
Center CuttingYes
Chip BreakerNo

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