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1/4" Dia, 4 Flute, Square End End Mill - 72978
SERIES: 27
Series 27 - CFRP Slow Helix
1/4" Dia, 1" LOC, 1/4" Shank Dia, 4 Flute, 12 Degree Helix, Uncoated, Series 27, Series 27 - CFRP Slow Helix, Square End End Mill - 72978
Feature & Benefits
- Slow helix design adds strength to the edge allowing ease for milling highly abrasive materials
- Two levels of chatter suppression: variable helix and indexing
- Excels at roughing (slotting, profiling) and finishing in a variety of plastics and composites
| SKU / EDP | 72978 |
|---|---|
| Category | Solid Round Tools > Milling > High Performance End Mills |
| Min Order Qty | 1 |
| Series | 27 |
| Series Description | Series 27 - CFRP Slow Helix |
| High Performance | Yes |
| End Configuration | Square End |
| Tool Length | Long |
| Unit (inch/mm) | inch |
| Number of Flutes | 4 |
| Primary Workpiece Material | (N) Non-Ferrous 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) (Fractional Inch) | 1/4 |
| Shank Diameter (DCON) (mm) | 6.35 |
| Length of Cut (APMX) (Decimal Inch) | 1.0000 |
| Length of Cut (APMX) (Fractional Inch) | 1 |
| Length of Cut (APMX) (mm) | 25.40 |
| 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) | 1.5000 |
| Shank Length (LS) (Fractional Inch) | 1-1/2 |
| Shank Length (LS) (mm) | 38.10 |
| Cutting Diameter (DC) Tolerance (Decimal Inch) | +0.0000/-0.0030 |
| Cutting Diameter (DC) Tolerance (mm) | +0.000/-0.080 |
| Shank Diameter (DCON) Tolerance (ISO) | h6 |
| Shank Type | Straight |
| Weldon Flat | No |
| Coolant Option | External Coolant |
| Coating Description | Bright/Uncoated |
| Additional Geometry | Right Hand Cut Direction (RHC) |
| Rake Angle | Positive |
| Helix Angle | Right Spiral |
| Helix Angle (Degree) | 12 |
| Variable Helix | Yes |
| Center Cutting | Yes |
| Chip Breaker | No |
Alternative Products SKU / EDP to 72978
1/4" Dia, 4 Flute, Square End End Mill - 72979
SGS 1/4" Dia, 1" LOC, 1/4" Shank Dia, 4 Flute, 12 Degree Helix, Di-NAMITE (Diamond) Coated, Series 27, Series 27 - CFRP Slow Helix, Square End End Mill - 72979
1/4" Dia, 4 Flute, Square End End Mill - 72979
SGS 1/4" Dia, 1" LOC, 1/4" Shank Dia, 4 Flute, 12 Degree Helix, Di-NAMITE (Diamond) Coated, Series 27, Series 27 - CFRP Slow Helix, Square End End Mill - 72979
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