Spiral Fluted Semi-Bottoming - Metric Threads

Spiral Fluted Semi-Bottoming - Metric Threads

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

Spiral Flute Semi Bottoming - Metric 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 D Limit # of Flutes Coating In Stock Sku Price Quantity
    M3 X 0.5 1-15/16 D3 2 Uncoated 19
    A55232
    $25.80
  • M3 X 0.5 1-15/16 D3 2 STEAM OXIDE 69
    A55239
    $27.58
  • M3 X 0.5 1-15/16 D3 2 ALTiN 42
    A55246
    $35.39
  • M4 X 0.7 2-1/8 D4 3 Uncoated 100
    A55233
    $25.80
  • M4 X 0.7 2-1/8 D4 3 STEAM OXIDE 37
    A55240
    $27.58
  • M4 X 0.7 2-1/8 D4 3 ALTiN 17
    A55247
    $35.39
  • M5 X 0.8 2-3/8 D4 3 Uncoated 69
    A55234
    $25.80
  • M5 X 0.8 2-3/8 D4 3 STEAM OXIDE 50
    A55241
    $27.58
  • M5 X 0.8 2-3/8 D4 3 ALTiN 18
    A55248
    $35.39
  • M6 X 1.0 2-1/2 D5 3 Uncoated 100
    A55235
    $26.42
  • M6 X 1.0 2-1/2 D5 3 STEAM OXIDE 18
    A55242
    $28.41
  • M6 X 1.0 2-1/2 D5 3 ALTiN 18
    A55249
    $36.68
  • M8 X 1.25 2-23/32 D5 3 Uncoated 20
    A55236
    $29.16
  • M8 X 1.25 2-23/32 D5 3 STEAM OXIDE 30
    A55243
    $31.20
  • M8 X 1.25 2-23/32 D5 3 ALTiN 26
    A55250
    $40.63
  • M10 X 1.5 2-15/16 D6 3 Uncoated 100
    A55237
    $34.31
  • M10 X 1.5 2-15/16 D6 3 STEAM OXIDE 19
    A55244
    $36.89
  • Total: items /

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