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3/4" Dia, 7 Flute, Chip Breaker Corner Radius End Mill - 77250
SERIES: 77R
H-Carb
3/4" Dia, 1-7/8" LOC, 3/4" Shank Dia, 0.0300" Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77C, H-Carb, Chip Breaker Corner Radius End Mill - 77250
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 / EDP | 77250 |
---|---|
Category | Solid Round Tools > Milling > High Performance End Mills |
Min Order Qty | 1 |
Series | 77R |
Series Description | H-Carb |
High Performance | Yes |
End Configuration | Chip Breaker (CR) |
Tool Length | Regular |
Unit (inch/mm) | inch |
Number of Flutes | 7 |
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) | 0.7500 |
Cutting Diameter (DC) (Fractional Inch) | 3/4 |
Cutting Diameter (DC) (mm) | 19.05 |
Shank Diameter (DCON) (Decimal Inch) | 0.7500 |
Shank Diameter (DCON) (Fractional Inch) | 3/4 |
Shank Diameter (DCON) (mm) | 19.05 |
Length of Cut (APMX) (Decimal Inch) | 1.8750 |
Length of Cut (APMX) (Fractional Inch) | 1-7/8 |
Length of Cut (APMX) (mm) | 47.63 |
Overall Length (LF) (Decimal Inch) | 4.0000 |
Overall Length (LF) (Fractional Inch) | 4 |
Overall Length (LF) (mm) | 101.60 |
---|---|
Corner Radius (RE) (Decimal Inch) | 0.0300 |
Corner Radius (RE) (mm) | 0.76 |
Non-Cutting Center Diameter (NCD) (Decimal Inch) | 0.2535 |
Non-Cutting Center Diameter (NCD) (mm) | 6.44 |
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) | +0.0000 / -0.00051 |
Shank Diameter (DCON) Tolerance (mm) | +0.0000 / -0.0013 |
Corner Radius (RE) Tolerance (Decimal Inch) | +0.0000/-0.0020 |
Corner Radius (RE) Tolerance (mm) | +0.000/-0.050 |
Shank Type | Straight |
Weldon Flat | No |
Coolant Option | External Coolant |
Coating Description | AlTiN (Ti-NAMITE-A) |
Additional Geometry | Chip Breaker / Right Hand Cut Direction (RHC) |
Rake Angle | Positive |
Helix Angle | Right Spiral |
Helix Angle (Degree) | 37 |
Variable Helix | No |
Center Cutting | No |
Chip Breaker | Yes |
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