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  • Heli-Coil-STI-Straight-Flute

    Straight Flute Tap
    Widely used for general hand and machine tapping operations. Available in sizes thru 39mm.

  • Heli-Coil-STI-Straight-Flute

    Spiral Pointed - Plug & Spiral Flute.
    Used for efficient chip disposal in production tapping operations. Available in sizes thru 12mm.
    Spiral Pointed - Plug (4 Thread Chamfer). Incorporates an angular grind at the point end of the tap which shears chips and drives them forward of the tap. Used widely in long thru holes and blind holes with ample chip clearance. They are free cutting and provide increased tap strength. Not recommended for abrasive materials.

  • Heli-Coil-STI-Straight-Flute

    Spiral Pointed - Plug & Spiral Flute.
    Used for efficient chip disposal in production tapping operations. Available in sizes thru 12mm.
    High Spiral Flute - Bottoming (2 Thread Chamfer). Have spiral flute for efficiently pulling stringy chips out of deep or blind holes in soft materials.

  • Heli-Coil-STI-Straight-Flute

    Roughing Tap. Are available for difficult tapping operations where it is desirable to reduce the load on the finishing tap. Avail able in sizes 12mm thru 24mm.

  • Heli-Coil-STI-Straight-Flute

    Straight Flute Tap
    Widely used for general hand and machine tapping operations. Available in sizes thru 39mm.

  • Heli-Coil-STI-Straight-Flute

    Spiral Pointed - Plug & Spiral Flute.
    Used for efficient chip disposal in production tapping operations. Available in sizes thru 12mm.
    Spiral Pointed - Plug (4 Thread Chamfer). Incorporates an angular grind at the point end of the tap which shears chips and drives them forward of the tap. Used widely in long thru holes and blind holes with ample chip clearance. They are free cutting and provide increased tap strength. Not recommended for abrasive materials.

  • Heli-Coil-STI-Straight-Flute

    Spiral Pointed - Plug & Spiral Flute.
    Used for efficient chip disposal in production tapping operations. Available in sizes thru 12mm.
    High Spiral Flute - Bottoming (2 Thread Chamfer). Have spiral flute for efficiently pulling stringy chips out of deep or blind holes in soft materials.

  • Heli-Coil-STI-Straight-Flute

    Roughing Tap. Are available for difficult tapping operations where it is desirable to reduce the load on the finishing tap. Avail able in sizes 12mm thru 24mm.