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Fractional/Metric Spiral Hi–Helix Flutes

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PRODUCT CATALOG >> HSS Spiral Flute Semi–Bottoming Taps

Fractional/Metric Spiral Hi–Helix Flute Semi–Bottoming Tap
    Type 37-AGN Titanium Nitride Spiral Hi–Helix Flutes
    Helical flutes provides a shear cutting facilitating evacuation
    of chips
    from the hole and acts as a good carrier of lubricants.

    Semi–bottoming style can be used for Plug OR Bottoming applications.

    Titanium nitride – increases wear resistance by producing
    a higher surface hardness and exceptional lubricity resulting in longer tool life.
    Adobe Acrobat PDF Download: PDF


Type 37 Bright Finish Fractional Spiral Hi–Helix Flute Semi–Bottoming Tap
    Type 37 Bright Finish Spiral Hi–Helix Flutes
    Bright Finish
    Helical flutes provides a shear cutting facilitating evacuation
    of chips
    from the hole and acts as a good carrier of lubricants.
    Adobe Acrobat PDF Download: PDF

 


30° Helix Angle:
1. Used where chip disposal is a problem.

2. Spiral flute design effectively draws chips out of the hole.

Recommended when tapping blind or through holes in a variety of materials.


52° Helix Angle:
1. Can be used for plug or bottoming applications.

2. Allows for threading close to bottom or blind holes.

Recommended for tapping deep holes in Copper, Brass, Aluminum and other soft ductile materials.

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