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5/16-24 H3 3FL Spiral Flute Bottom Tap

5/16-24 H3 3FL Spiral Flute Bottom Tap

Series 1586 HSS, Regular Spiral 30°
Item #: UNI 1010357
Union Butterfield Series 1586 Spiral Flute Taps
Fractional Sizes

  • Regular spiral 30°
  • High Speed Steel

Generally used where chip disposal is a problem. The spiral flute design effectively draws chips out of the hole. Recommended for use when tapping blind holes in a variety of materials.

$14.87
Ordered from factory
UOM: EA
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Item Specifications

  • Union Butterfield
  • 3
  • Bottom
  • H3
  • High Speed Steel
  • 2-23/32"
  • 1586
  • .318"
  • 5/16-24
  • .238"
  • UNF
  • Spiral Flute
  • Uncoated
  • 1-1/8"