Niagara Cutter - 1/4-20 UN, 0.18" Cutting Diam, 3 Flute, Solid Carbide Helical Flute Thread Mill - Internal/External Thread, 0.15" LOC, 2-1/2" OAL, 3/16" Shank Diam
Item #: 55407886
Brand: Niagara Cutter
Model #: N34571
Exact Tooling IR#: 04
Features and Benefits
Solid carbide provides better rigidity than high speed steel. It is extremely heat resistant and used for high speed applications on cast iron, nonferrous materials, plastics and other tough-to-machine materials.
Aluminum chromium nitride (AlCrN) has higher-heat resistance than AlTiN. It is commonly used for machining aircraft and aerospace material, nickel alloys, stainless steel, titanium, cast iron and carbon steel.
| Product Specifications | |
|---|---|
| Threads Per Inch | 20 |
| Material | Solid Carbide |
| Thread Size (Inch) | 1/4-20 |
| Thread Type | Internal/External |
| Shank Diameter (Inch) | 3/16 |
| Number of Flutes | 3 |
| Cutting Diameter (Decimal Inch) | 0.1800 |
| Length of Cut (Decimal Inch) | 0.1500 |
| Finish/Coating | AlCrN |
| Through Coolant | NonThrough Coolant |
| Minimum Nominal Diameter | 1/4 |
| Minimum Nominal Diameter (Decimal Inch) | 0.2500 |
| Overall Length (Inch) | 2-1/2 |
| Thread Standard | UN |
| Flute Direction | Right Hand |
| Cutting Diameter Tolerance (Decimal Inch) | +0.000 to -0.002 |
| Shank Diameter Tolerance (Decimal Inch) | -0.0001 to -0.0004 |
| Overall Length Tolerance (Decimal Inch) | ±0.060 |
| Thread Length Tolerance (Decimal Inch) | +0.030 to -0.000 |
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