#4-40 UNC Thread Forming STI Tap, H2, Semi-Bottoming, V Finish, High Speed Steel, 2.55" OAL, 0.141" Shank, 11/16" Thread, 0.11" Square

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Product details

Management number 211263217 Release Date 2026/04/04 List Price $36.00 Model Number 211263217
Category

OSG's Thread Forming STI Tap, sized #4-40 UNC, features an H2 thread limit, semi-bottoming chamfer, and a V finish, all crafted from High Speed Steel. With a 2.55" overall length, 0.141" shank diameter, 11/16" thread length, and a 0.11" square size, it's designed for efficient tapping.

  • Thread Size: #4-40
  • Total Length: 2.55 inches
  • Chamfer Type: Semi-Bottoming
  • Thread Limit: H2
  • Thread Standard: UNC
  • Material: High-Speed Steel
  • Thread Length: 11/16 inches
  • Shank Diameter: 0.141 inches
  • Square Size: 0.11 inches (2.79 mm)
  • Material Compatibility: Carbon Steel, Alloy Steel, Stainless Steel, Aluminum, Nickel, Hardened Steel, Titanium Alloy
  • Use: Tapping
  • Series: 16260
  • Fit Class: 3B
  • Finish: V
  • UNSPSC Code: 27112806
Manufacturer Penn Tool Co.

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