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
    4-40 1-7/8 H2 2 Uncoated 100
    $22.72
  • 4-40 1-7/8 H2 2 STEAM OXIDE 26
    $24.30
  • 4-40 1-7/8 H2 2 ALTiN 40
    $32.48
  • 6-32 2 H3 2 Uncoated 100
    $22.72
  • 6-32 2 H3 2 STEAM OXIDE 50
    $24.30
  • 6-32 2 H3 2 ALTiN 14
    $32.48
  • 8-32 2-1/8 H3 3 Uncoated 100
    $22.72
  • 8-32 2-1/8 H3 3 STEAM OXIDE 81
    $24.30
  • 8-32 2-1/8 H3 3 ALTiN 24
    $32.48
  • 10-24 2-3/8 H3 3 Uncoated 100
    $22.72
  • 10-24 2-3/8 H3 3 STEAM OXIDE 48
    $24.30
  • 10-24 2-3/8 H3 3 ALTiN 17
    $32.48
  • 10-32 2-3/8 H3 3 Uncoated 100
    $22.72
  • 10-32 2-3/8 H3 3 STEAM OXIDE 85
    $24.30
  • 10-32 2-3/8 H3 3 ALTiN 24
    $32.48
  • 1/4-20 2-1/2 H3 3 Uncoated 100
    $23.30
  • 1/4-20 2-1/2 H3 3 STEAM OXIDE 23
    $25.05
  • 1/4-20 2-1/2 H3 3 ALTiN 9
    $33.52
  • 1/4-28 2-1/2 H3 3 Uncoated 53
    $23.30
  • 1/4-28 2-1/2 H3 3 STEAM OXIDE 15
    $25.05
  • 1/4-28 2-1/2 H3 3 ALTiN 19
    $33.52
  • 5/16-18 2-23/32 H3 3 Uncoated 59
    $25.63
  • 5/16-18 2-23/32 H3 3 STEAM OXIDE 41
    $27.54
  • 5/16-18 2-23/32 H3 3 ALTiN 4
    $36.68
  • 5/16-24 2-23/32 H3 3 Uncoated 62
    $25.55
  • 5/16-24 2-23/32 H3 3 STEAM OXIDE 41
    $27.46
  • 5/16-24 2-23/32 H3 3 ALTiN 8
    $32.69
  • 3/8-16 2-15/16 H3 3 Uncoated 100
    $30.20
  • 3/8-16 2-15/16 H3 3 STEAM OXIDE 28
    $32.48
  • 3/8-16 2-15/16 H3 3 ALTiN 10
    $43.49
  • 3/8-24 2-15/16 H3 3 Uncoated 63
    $30.20
  • 3/8-24 2-15/16 H3 3 STEAM OXIDE 100
    $32.40
  • 3/8-24 2-15/16 H3 3 ALTiN 9
    $43.49
  • 7/16-14 3-5/32 H3 4 Uncoated 29
    $38.42
  • 7/16-14 3-5/32 H3 4 STEAM OXIDE 33
    $41.12
  • 7/16-14 3-5/32 H3 4 ALTiN 2
    $46.11
  • 7/16-20 3-5/32 H3 4 Uncoated 23
    $38.42
  • 7/16-20 3-5/32 H3 4 STEAM OXIDE 29
    $41.12
  • 7/16-20 3-5/32 H3 4 ALTiN 3
    $46.11
  • 1/2-13 3-3/8 H3 4 Uncoated 100
    $45.36
  • 1/2-13 3-3/8 H3 4 STEAM OXIDE 57
    $48.77
  • 1/2-13 3-3/8 H3 4 ALTiN 6
    $65.26
  • 1/2-20 3-3/8 H3 4 Uncoated 59
    $45.36
  • 1/2-20 3-3/8 H3 4 STEAM OXIDE 20
    $48.77
  • 1/2-20 3-3/8 H3 4 ALTiN 4
    $65.26
  • 5/8-11 3-13/16 H3 4 Uncoated 65
    $86.65
  • 5/8-11 3-13/16 H3 4 STEAM OXIDE 18
    $93.17
  • 5/8-11 3-13/16 H3 4 ALTiN 4
    $97.08
  • 5/8-18 3-13/16 H3 4 Uncoated 47
    $86.65
  • 5/8-18 3-13/16 H3 4 STEAM OXIDE 14
    $93.17
  • 5/8-18 3-13/16 H3 4 ALTiN 9
    $97.08
  • 3/4-10 4-1/4 H3 4 Uncoated 87
    $101.77
  • 3/4-10 4-1/4 H3 4 STEAM OXIDE 28
    $108.88
  • 3/4-10 4-1/4 H3 4 ALTiN 12
    $114.78
  • 3/4-16 4-1/4 H3 4 Uncoated 23
    $101.27
  • 3/4-16 4-1/4 H3 4 STEAM OXIDE 37
    $108.88
  • 3/4-16 4-1/4 H3 4 ALTiN 3
    $114.28
  • Total: items /

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