Home/Solid Round Tools/Milling/High Performance End Mills/1/4" Dia, 7 Flute, Corner Radius End Mill - 77121
1/4" Dia, 7 Flute, Corner Radius End Mill - 77121
SERIES: 77C
H-Carb
1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 0.0300" Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77C, H-Carb, Corner Radius End Mill - 77121
Feature & Benefits
Specializes in deep axial trochoidal and high-speed milling applications
Optimized core improves rigidity, chip flow and reduces deflection
| Series Description | H-Carb |
|---|---|
| High Performance | Yes |
| End Configuration | Corner Radius |
| 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) | 0.2500 |
| Cutting Diameter (DC) (Fractional Inch) | 1/4 |
| Cutting Diameter (DC) (mm) | 6.35 |
| Shank Diameter (DCON) (Decimal Inch) | 0.2500 |
| Shank Diameter (DCON) (mm) | 6.35 |
| Length of Cut (APMX) (Decimal Inch) | 0.7500 |
| Length of Cut (APMX) (Fractional Inch) | 3/4 |
| Length of Cut (APMX) (mm) | 19.05 |
| Overall Length (LF) (Decimal Inch) | 2.5000 |
| Overall Length (LF) (Fractional Inch) | 2-1/2 |
| Overall Length (LF) (mm) | 63.50 |
| Corner Radius (RE) (Decimal Inch) | 0.0300 |
| Corner Radius (RE) (mm) | 0.76 |
| Non-Cutting Center Diameter (NCD) (Decimal Inch) | 0.0845 |
| Non-Cutting Center Diameter (NCD) (mm) | 2.15 |
| Cutting Diameter (DC) Tolerance (Decimal Inch) | +0.0000/-0.0012 |
| Cutting Diameter (DC) Tolerance (mm) | +0.000/-0.030 |
| 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 Type | Straight |
| Coolant Option | External Coolant |
| Additional Geometry | Right Hand Cut Direction (RHC) |
| Rake Angle | Positive |
| Helix Angle | Right Spiral |
| Helix Angle (Degree) | 37 |
| Variable Helix | No |
| Center Cutting | No |
| Chip Breaker | No |
| Shipping Weight | 0.0550 |
| Series | 77C |
| Weldon Flat | No |
| US Stock | 11 |
| Shank Diameter (DCON) (Fractional Inch) | 1/4 |
| Tool Length | Long |
| Coating Description | TM (Ti-NAMITE-M) |
| Flute Type | Spiral |
Alternate Products
1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 0.0300" Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77C, H-Carb, Corner Radius End Mill - 77120
U.S. stocked items ship next day
Total Available U.S. :0
1/4" Dia, 3/4" LOC, 1/4" 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 - 77122
U.S. stocked items ship next day
Total Available U.S. :16
1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 0.0300" Radius, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77C, H-Carb, Chip Breaker Corner Radius End Mill - 77123
U.S. stocked items ship next day
Total Available U.S. :4