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Helical-Flute Thread Mills

Available3 products
Helical-flute thread mills have spiral flutes that distribute the chip load as the thread mill removes material to cut threads into an existing hole or onto the external surface of a part. They provide a smoother cut than straight-flute or single-profile thread mills and are used to create threads on tough or thin-walled materials. Helical-flute thread mills can create internal threads of the same pitch in a range of hole diameters, eliminating the need to change tools when threading multiple holes of different sizes. Thread mills are only usable in CNC machines that have helical interpolation capability.
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EgiAs-Coated Carbide Helical-Flute Thread Mills

EgiAs-Coated Carbide Helical-Flute Thread Mills
The EgiAs coating on these drill bits resists oxidation at high temperatures and provides excellent hardness and heat resistance. The coating protects the bits from wear in high-speed drilling applications with steel, cast iron, and hardened steel with a Rockwell hardness of 35 to 50 HRC.

Inch + UNC + 4 Flute

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Inch + UNF + 4 Flute

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.