OSG

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  Spiral Flute Tap: 1/4-20, UNC, 3 Flute, Bottoming Chamfer, 2B Class of Fit, High-Speed Steel, Oxide Finish – 0.5940″ Thread Length, 2.5000″ OAL, Right Hand Flute, Right Hand Thread, Series 297

  $22.16
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  Spiral Flute Tap: 1/4-20, UNC, 3 Flute, Modified Bottoming Chamfer, 3B Class of Fit, Vanadium High-Speed Steel, Oxide Finish – 0.3970″ Thread Length, 2.5000″ OAL, Right Hand Flute, Right Hand Thread, H3, Series 290

  $32.68
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  Spiral Flute Tap: 3/8-16, UNC, 3 Flute, Modified Bottoming Chamfer, 3B Class of Fit, Vanadium High-Speed Steel, Oxide Finish – 0.5000″ Thread Length, 2.9380″ OAL, Right Hand Flute, Right Hand Thread, H3, Series 290

  $46.72
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  Spiral Point Tap: 1/4-20 UNC, 3 Flutes, Plug Chamfer, 3B Class of Fit, HSS-E Vanadium, Steam Oxide Coated – 19/32″ Thread Length, 2-1/2″ OAL, Right Hand, H3, Series 280

  $22.05