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3/8" Dia, 7 Flute, Chip Breaker Corner Radius End Mill - 77143

SERIES: 77C

H-Carb

3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 0.0150" Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77C, H-Carb, Chip Breaker Corner Radius End Mill - 77143

Feature & Benefits

  • Specializes in deep axial trochoidal and high-speed milling applications
  • Optimized core improves rigidity, chip flow and reduces deflection
  • Chip Breaker design breaks up chips from the long flute length allowing for better chip flow and evacuation in deep pocketing operations
SKU / EDP77143
CategorySolid Round Tools > Milling > High Performance End Mills
Min Order Qty1
Series77C
Series DescriptionH-Carb
High PerformanceYes
End ConfigurationChip Breaker (CR)
Tool LengthRegular
Unit (inch/mm)inch
Number of Flutes7
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)0.3750
Cutting Diameter (DC) (Fractional Inch)3/8
Cutting Diameter (DC) (mm)9.53
Shank Diameter (DCON) (Decimal Inch)0.3750
Shank Diameter (DCON) (Fractional Inch)3/8
Shank Diameter (DCON) (mm)9.53
Length of Cut (APMX) (Decimal Inch)0.9375
Length of Cut (APMX) (Fractional Inch)15/16
Length of Cut (APMX) (mm)23.81
Overall Length (LF) (Decimal Inch)3.0000
Overall Length (LF) (Fractional Inch)3
Overall Length (LF) (mm)76.20
Corner Radius (RE) (Decimal Inch)0.0150
Corner Radius (RE) (mm)0.38
Non-Cutting Center Diameter (NCD) (Decimal Inch)0.1268
Non-Cutting Center Diameter (NCD) (mm)3.22
Cutting Diameter (DC) Tolerance (Decimal Inch)+0.0000/-0.0016
Cutting Diameter (DC) Tolerance (mm)+0.000/-0.040
Shank Diameter (DCON) Tolerance (ISO)h6
Shank Diameter (DCON) Tolerance (Decimal Inch)+0.0000 / -0.00035
Shank Diameter (DCON) Tolerance (mm)+0.0000 / -0.009
Corner Radius (RE) Tolerance (Decimal Inch)+0.0000/-0.0020
Corner Radius (RE) Tolerance (mm)+0.000/-0.050
Shank TypeStraight
Weldon FlatNo
Coolant OptionExternal Coolant
Coating DescriptionTM (Ti-NAMITE-M)
Additional GeometryChip Breaker / Right Hand Cut Direction (RHC)
Rake AnglePositive
Helix AngleRight Spiral
Helix Angle (Degree)37
Variable HelixNo
Center CuttingNo
Chip BreakerYes
Alternative Products SKU / EDP to 77143
Series_77CR_TA.jpg

3/8" Dia, 7 Flute, Corner Radius End Mill - 77140

SGS 3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 0.0150" Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77C, H-Carb, Corner Radius End Mill - 77140

Series_77CB_TA.jpg

3/8" Dia, 7 Flute, Chip Breaker Corner Radius End Mill - 77142

SGS 3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 0.0150" Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77C, H-Carb, Chip Breaker Corner Radius End Mill - 77142

Series_77CR_TM.jpg

3/8" Dia, 7 Flute, Corner Radius End Mill - 77141

SGS 3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 0.0150" Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77C, H-Carb, Corner Radius End Mill - 77141

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