Home/Solid Round Tools/Milling/High Performance End Mills/1/4" Dia, 7 Flute, Square End End Mill - 36621
1/4" Dia, 7 Flute, Square End End Mill - 36621
SERIES: 66S
Multi-Carb
1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 7 Flute, 35 Degree Helix, Ti-NAMITE-X (TX) Coated, Series 66S, Multi-Carb, Square End End Mill - 36621
Feature & Benefits
Heavy core and rigid design allow for straight walls
High flute count design results in smoother cutting performance and enhanced tool life in precise finishing applications
Enhanced corner geometry with tight tolerance corner radii
Recommended for materials ≤ 45 HRc (≤ 420 Bhn)
| Series Description | Multi-Carb |
|---|---|
| High Performance | Yes |
| End Configuration | Square End |
| 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 |
| Shank Length (LS) (Decimal Inch) | 1.7500 |
| Shank Length (LS) (Fractional Inch) | 1-3/4 |
| Non-Cutting Center Diameter (NCD) (Decimal Inch) | 0.0650 |
| Non-Cutting Center Diameter (NCD) (mm) | 1.65 |
| 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 Type | Straight |
| Coolant Option | External Coolant |
| Additional Geometry | Right Hand Cut Direction (RHC) |
| Rake Angle | Positive |
| Helix Angle | Right Spiral |
| Helix Angle (Degree) | 35 |
| Variable Helix | No |
| Center Cutting | No |
| Chip Breaker | No |
| Shipping Weight | 0.0640 |
| Series | 66S |
| Weldon Flat | No |
| US Stock | 69 |
| Shank Length (LS) (mm) | 44.45 |
| Shank Diameter (DCON) (Fractional Inch) | 1/4 |
| Tool Length | Long |
| Coating Description | TX (Ti-NAMITE-X) |
| Flute Type | Spiral |
Alternate Products
1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77S, H-Carb, Square End End Mill - 77112
U.S. stocked items ship next day
Total Available U.S. :23
1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77S, H-Carb, Square End End Mill - 77113
U.S. stocked items ship next day
Total Available U.S. :0
1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 77S, H-Carb, Chip Breaker Square End Mill - 77114
U.S. stocked items ship next day
Total Available U.S. :0
1/4" Dia, 3/4" LOC, 1/4" Shank Dia, 7 Flute, 37 Degree Helix, Ti-NAMITE-M (TM) Coated, Series 77S, H-Carb, Chip Breaker Square End Mill - 77115
U.S. stocked items ship next day
Total Available U.S. :0