Home/Solid Round Tools/Milling/High Performance End Mills/3/8" Dia, 7 Flute, Chip Breaker Square End Mill - 77138
3/8" Dia, 7 Flute, Chip Breaker Square End Mill - 77138
SERIES: 77S
H-Carb
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
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
| Series Description | H-Carb |
|---|---|
| High Performance | Yes |
| End Configuration | Chip Breaker (Square) |
| 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) (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 |
| 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 |
| Shipping Weight | 0.1530 |
| Series | 77S |
| Weldon Flat | No |
| US Stock | 0 |
| Shank Diameter (DCON) (Fractional Inch) | 3/8 |
| Tool Length | Regular |
Alternate Products
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
List Price: $114.03
U.S. stocked items ship next day
Total Available U.S. :17
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
List Price: $114.03
U.S. stocked items ship next day
Total Available U.S. :0
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
List Price: $119.74
U.S. stocked items ship next day
Total Available U.S. :4