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Union Butterfield® 6007756 1591 Heavy Duty Spiral Flute Tap, Right Hand Cutting, 1/4-28 Thread, H3 Thread Limit, Bottoming Chamfer, Right Hand Flute Direction, 3 Flutes, Steam Oxide, HSS

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Features

  • A slower helix angle, large core diameter and wider throat dimensions than the regular 1587/1588 series
  • Designed for tough blind or through hole tapping
  • Chip ejection is more efficient and problems such as chipping and breakage are largely eliminated
  • A steam oxide finish makes this tap ideal for use in ferrous materials and higher strength alloys

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Description

Union Butterfield® Spiral Flute Tap, Heavy Duty, Series: 1591, Measurement System: Imperial, UNF Thread Standard, 1/4-28 Thread, Bottoming Chamfer, 3 Flutes, HSS, Steam Oxide, Class of Fit: 2B/3B/H3, Right Hand Cutting Direction, 1 in Thread Length, 2-1/2 in Overall Length, 0.255 in Shank Diameter, Right Hand Flute Direction, H3 Thread Limit, Ferrous Materials and Higher Strength Alloys Material Application, No Through Coolant