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0.1100" Dia, 3 Flute, Ball Nose End Mill - 03991

SERIES: M3B

Micro End Mill

0.1100" Dia, 0.1650" LOC, 2-3/4" Reach, 1/8" Shank Dia, 3 Flute, 30 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series M3B, Micro, Ball Nose End Mill - 03991

Feature & Benefits

  • Three flute design features improved chip space over four flutes and increased strength and feed capability over two flutes
  • 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 / EDP03991
CategorySolid Round Tools > Milling > Micro End Mills
Min Order Qty1
SeriesM3B
Series DescriptionMicro End Mill
High PerformanceNo
End ConfigurationBall Nose
Tool LengthLong Reach Neck
Unit (inch/mm)inch
Number of Flutes3
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
Reach (xD)25xD
LOC (xD)1.5xD
Cutting Diameter (DC) (Decimal Inch)0.1100
Cutting Diameter (DC) (mm)2.79
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)0.1650
Length of Cut (APMX) (mm)4.19
Reach (LU) (Decimal Inch)2.7500
Reach (LU) (Fractional Inch)2-3/4
Reach (LU) (mm)69.85
Overall Length (LF) (Decimal Inch)4.0000
Overall Length (LF) (Fractional Inch)4
Overall Length (LF) (mm)101.60
Neck Diameter (DN) (Decimal Inch)0.0290
Neck Diameter (DN) (mm)0.74
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)+0.0003/-0.0000
Corner Radius (RE) Tolerance (mm)+0.008/-0.000
Shank TypeStraight
Weldon FlatNo
Coolant OptionExternal Coolant
Coating DescriptionAlTiN (Ti-NAMITE-A)
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

Alternative Products SKU / EDP to 03991
Series_M3B_Reach_UN.png

0.1100" Dia, 3 Flute, Ball Nose End Mill - 09577

SGS 0.1100" Dia, 0.1650" LOC, 2-3/4" Reach, 1/8" Shank Dia, 3 Flute, 30 Degree Helix, Uncoated, Series M3B, Micro, Ball Nose End Mill - 09577

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