Spiral Fluted Semi-Bottoming - ANSI Threads

Spiral Fluted Semi-Bottoming - ANSI Threads

Atlas High Performance Spiral Fluted Semi-Bottoming - ANSI Thread Taps

Spiral Flute Semi Bottoming - ANSI Threads - High Vanadium Powdered Metal

  • Best used for blind hole tapping applications
  •  Optimized for steel, steel alloys, stainless steels, and a variety of other steels up to 32 Rc
  • Steam Oxide finish provides decreased galling and increased lubricity in low carbon steels and gummy materials  
  • Features a 2 -2 1/2 thread chamfer
  • Semi-bottoming 45° helix
  • ALTIN is a high performance coating for milling, tapping and drilling in stainless steels, carbon steels, alloy steels, titanium and cast iron. This coating is extremely heat resistant and can be used with or without coolant. 

Speeds and Feed Info

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  • Size OAL H Limit # of Flutes Coating In Stock Sku Price Quantity
    3/8-16 2-15/16 H3 3 ALTiN 17
    A55158
    $43.49
  • 3/8-24 2-15/16 H3 3 ALTiN 6
    A55159
    $43.49
  • 7/16-14 3-5/32 H3 4 STEAM OXIDE 23
    A55179
    $41.12
  • 7/16-14 3-5/32 H3 4 ALTiN 2
    A55160
    $46.11
  • 7/16-20 3-5/32 H3 4 STEAM OXIDE 25
    A55180
    $41.12
  • 7/16-20 3-5/32 H3 4 ALTiN 3
    A55161
    $46.11
  • 1/2-13 3-3/8 H3 4 Uncoated 59
    A55143
    $45.36
  • 1/2-13 3-3/8 H3 4 STEAM OXIDE 33
    A55181
    $48.77
  • 1/2-20 3-3/8 H3 4 Uncoated 46
    A55144
    $45.36
  • 1/2-20 3-3/8 H3 4 STEAM OXIDE 20
    A55182
    $48.77
  • Total: items /

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