1/4-28 UNF Thread Forming STI Tap, H2, Bottoming, Bright Finish, High Speed Steel, 2-23/32" OAL, 0.318" Shank, 1-1/8" Thread, 0.238" Square, 3/8" Square Length, Series BXSTI 12982-010

★★★★★ 4.1 20 reviews

US$36.00
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US$36.00
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Product details

Management number 211263227 Release Date 2026/04/04 List Price US$36.00 Model Number 211263227
Category

Balax's Thread Forming STI Tap features a 1/4-28 UNF thread, 2-23/32" overall length, bottoming chamfer, H2 thread limit, and High Speed Steel construction. It boasts a 1-1/8" thread length, 0.238" square size, 3/8" square length, and Series BXSTI. With a 0.318" shank diameter and a bright finish, this tap is designed for thread forming.

  • Thread Size: 1/4-28
  • Total Length: 2-23/32 inches
  • Chamfer Type: Bottoming
  • Thread Limit: H2
  • Thread Standard: UNF
  • Material: High-Speed Steel
  • Thread Length: 1-1/8 inches
  • Shank Diameter (Decimal): 0.3180 inches
  • Shank Diameter (Rounded): 0.318 inches
  • Shank Diameter (Alternative): 0.375 inches
  • Square Length: 3/8 inches
  • Square Size (Decimal): 0.238 inches
  • Square Size (Metric): 0.238 mm
  • 75% Thread Drill Size: 0.2770 inches
  • Series: BXSTI
Manufacturer Penn Tool Co.

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