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1/2-13 H3 3FL HSS SP PT Plug Tap

1/2-13 H3 3FL HSS SP PT Plug Tap

Brand: Union Butterfield, Size: 1/2-13, H Limit: H3, # of Flutes: 3, Chamfer: Plug, Material: HSS, Finish: Steam Oxide, Style: Spiral Point, Series: 1585A, OAL: 3-3/8", Thread Length: 1-21/32", Shank Diameter: .367", Square Size: .275", Standard: UNC
Item #: UNI 1050336
Union Butterfield Series 1585A Relieved Style Spiral Point Taps
Fractional Sizes

  • Steam Oxide - reduces wear and prevents chip welding in harder ferrous materials

The 1585 style features eccentrically relieved threads with full pitch diameter relief. These taps are extremely free cutting, resulting in longer tool life. The use of rigid tapping equipment is highly recommended with this style of tap.

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UOM: EA
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Item Specifications

  • Union Butterfield
  • 3
  • Plug
  • H3
  • High Speed Steel
  • 3-3/8"
  • 1585A
  • .367"
  • 1/2-13
  • .275"
  • UNC
  • Spiral Point
  • Steam Oxide
  • 1-21/32"