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20.00mm Dia, 7 Flute, Chip Breaker Corner Radius End Mill - 74839

SERIES: 77MC

H-Carb

20.00mm Dia, 60.00mm LOC, 20.00mm Shank Dia, 4.00mm Radius, 7 Flute, Coolant-Through, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77MCR, H-Carb, Chip Breaker Corner Radius End Mill - 74839

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 / EDP74839
CategorySolid Round Tools > Milling > High Performance End Mills
Min Order Qty1
Series77MC
Series DescriptionH-Carb
High PerformanceYes
End ConfigurationChip Breaker (CR)
Tool LengthLong
Unit (inch/mm)mm
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)0.7874
Cutting Diameter (DC) (mm)20.00
Shank Diameter (DCON) (Decimal Inch)0.7874
Shank Diameter (DCON) (mm)20.00
Length of Cut (APMX) (Decimal Inch)2.3622
Length of Cut (APMX) (mm)60.00
Overall Length (LF) (Decimal Inch)4.5276
Overall Length (LF) (mm)115.00
Corner Radius (RE) (Decimal Inch)0.1575
Corner Radius (RE) (mm)4.00
Non-Cutting Center Diameter (NCD) (Decimal Inch)0.2661
Non-Cutting Center Diameter (NCD) (mm)6.76
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 Diameter (DCON) Tolerance (Decimal Inch)+0.00000/-0.00051
Shank Diameter (DCON) Tolerance (mm)+0.000/-0.013
Corner Radius (RE) Tolerance (Decimal Inch)+0.0000/-0.0020
Corner Radius (RE) Tolerance (mm)+0.000/-0.050
Shank TypeStraight
Weldon FlatNo
Coolant OptionInternal 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 74839
Series_77CR_TA.jpg

20.00mm Dia, 7 Flute, Corner Radius End Mill - 74660

SGS 20.00mm Dia, 60.00mm LOC, 20.00mm Shank Dia, 4.00mm Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77MC, H-Carb, Corner Radius End Mill - 74660

Series_77_LG_CR_IC_TA.jpg

20.00mm Dia, 7 Flute, Corner Radius End Mill - 74836

SGS 20.00mm Dia, 60.00mm LOC, 20.00mm Shank Dia, 4.00mm Radius, 7 Flute, Coolant-Through, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77MCR, H-Carb, Corner Radius End Mill - 74836

Series_77CB_TA.jpg

20.00mm Dia, 7 Flute, Chip Breaker Corner Radius End Mill - 74661

SGS 20.00mm Dia, 60.00mm LOC, 20.00mm Shank Dia, 4.00mm Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77MC, H-Carb, Chip Breaker Corner Radius End Mill - 74661

Series_77_LG_CR_CB_IC_TA.jpg

20.00mm Dia, 7 Flute, Chip Breaker Corner Radius End Mill - 74838

SGS 20.00mm Dia, 60.00mm LOC, 20.00mm Shank Dia, 4.00mm Radius, 7 Flute, Coolant-Through, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77MCR, H-Carb, Chip Breaker Corner Radius End Mill - 74838

Series_77CR_TM.jpg

20.00mm Dia, 7 Flute, Corner Radius End Mill - 74662

SGS 20.00mm Dia, 60.00mm LOC, 20.00mm Shank Dia, 4.00mm Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77MC, H-Carb, Corner Radius End Mill - 74662

Series_77_LG_CR_IC_TM.jpg

20.00mm Dia, 7 Flute, Corner Radius End Mill - 74837

SGS 20.00mm Dia, 60.00mm LOC, 20.00mm Shank Dia, 4.00mm Radius, 7 Flute, Coolant-Through, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77MCR, H-Carb, Corner Radius End Mill - 74837

Series_77CB_TM.jpg

20.00mm Dia, 7 Flute, Chip Breaker Corner Radius End Mill - 74663

SGS 20.00mm Dia, 60.00mm LOC, 20.00mm Shank Dia, 4.00mm Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77MC, H-Carb, Chip Breaker Corner Radius End Mill - 74663

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