Union Butterfield 1010958 1591 Heavy Duty Spiral Flute Tap, Right Hand Cutting, 5/16-18 Thread, H3 Thread Limit, Bottoming Chamfer, Right Hand Flute Direction, 3 Flutes, Steam Oxide, HSS

  • Item Code: UNIO 6007793 1010958 1591
  • Brand: Union Butterfield
  • Mfg Part No: 1010958
  • Manufacturer: Dormer Pramet
  • Unit Size: 1

Description

Features Tech Specs Applications

Features

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    • 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

Tech Specs

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Chamfer Type Bottoming
Class of Fit 2B/3B/H3
Cutting Direction Right Hand
Finish/Coating Steam Oxide
Flute Direction Right Hand
Material HSS
Measurement System Imperial
Number of Flutes 3
Overall Length 2-23/32
Series 1591
Shank Diameter 0.318
Thread Length 1-1/8
Thread Size 5/16-18
Thread Standard UNC
Type Heavy Duty
UPC 69846412360

Applications

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For tough blind hole tapping applications

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