Union Butterfield 1010419 1572 Straight Flute STI Tap, Imperial, #4-40, 3 Flutes, 3B/H2 Class of Fit, Plug Chamfer, Right Hand Cutting, UNC Thread

  • Item Code: UNIO 6006887 1010419 1572
  • Brand: Union Butterfield
  • Mfg Part No: 1010419
  • Manufacturer: Dormer Pramet
  • Unit Size: 1

Description

Features Tech Specs Applications

Features

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    • Designed for use in aluminum, magnesium, and other nonferrous materials where taps of this type are most commonly used
    • Taps suitable for other materials can be furnished on request
    • STI taps are dimensionally oversize and utilize a larger tap drill size so that the thread they produce will accept a helical coil wire screw thread insert of the same nominal size and pitch
    • For a particular size and pitch the lower H-Limit number is suggested for class 2B and 3B threads, while the higher H-Limit is suggested for class 2B
    • Through or blind hole

Tech Specs

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Chamfer Type Plug
Class of Fit 3B/H2
Cutting Direction Right Hand
Material HSS
Measurement System Imperial
Number of Flutes 3
Overall Length 2
Series 1572
Shank Diameter 0.141
Size #4-40
Square Size 0.11
Tap Drill Size #43
Thread Length 11/16
Thread Standard UNC
Type Straight Flute
UPC 69846402118

Applications

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Through or Blind Hole Applications

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