Imperial 70258 High Speed Steel Bottom Tap, 7/8"-9

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Bottoming Taps have 1-1/2 threads chamfered for use after threads have been started for tapping to bottom of hole. High-speed tungsten steel taps out perform ordinary taps for production tapping.
SKU: 42573156
MFG: 70258
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DETAILS

DESCRIPTION

Highlights: 

  • Material: High Speed Steel 
  • Number of Flutes: 4 
  • Overall Length: 4.6875"
  • Pitch Diameter Limits: H4 
  • Shank Type: Straight w/square 
  • Square Length: 0.7500"
  • Square Size: 0.5230" 
  • Thread Length: 2.2188"
  • Thread Size: 7/8"-9 
  • High-speed tungsten steel taps out perform ordinary taps for production tapping
  • Special design keeps taps sharper longer
  • Sizes are clearly stamped on the shank of each tap
  • Precision ground flutes cut accurate, clean threads
  • All taps are right hand threaded
  • Bottoming Taps have 1-1/2 threads chamfered for use after threads have been started for tapping to bottom of hole

FEATURES

MFR: 70258
SKU: 42573156
Brand: Imperial

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