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3/8" Dia, 7 Flute, Chip Breaker Square End Mill - 77139
SERIES: 77S
H-Carb
3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77S, H-Carb, Chip Breaker Square End Mill - 77139
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 | 77139 |
|---|---|
| Category | Solid Round Tools > Milling > High Performance End Mills |
| Min Order Qty | 1 |
| Series | 77S |
| Series Description | H-Carb |
| High Performance | Yes |
| End Configuration | Chip Breaker (Square) |
| 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) | 0.3750 |
| 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 |
| 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 |
| Shank Type | Straight |
| Weldon Flat | No |
| Coolant Option | External Coolant |
| Coating Description | TM (Ti-NAMITE-M) |
| 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 |
Alternative Products SKU / EDP to 77139
3/8" Dia, 7 Flute, Square End End Mill - 77136
SGS 3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77S, H-Carb, Square End End Mill - 77136
3/8" Dia, 7 Flute, Chip Breaker Square End Mill - 77138
SGS 3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77S, H-Carb, Chip Breaker Square End Mill - 77138
3/8" Dia, 7 Flute, Square End End Mill - 77137
SGS 3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77S, H-Carb, Square End End Mill - 77137
3/8" Dia, 7 Flute, Square End End Mill - 77136
SGS 3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77S, H-Carb, Square End End Mill - 77136
3/8" Dia, 7 Flute, Chip Breaker Square End Mill - 77138
SGS 3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77S, H-Carb, Chip Breaker Square End Mill - 77138
3/8" Dia, 7 Flute, Square End End Mill - 77137
SGS 3/8" Dia, 15/16" LOC, 3/8" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77S, H-Carb, Square End End Mill - 77137
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