Union Butterfield 1010955 1591 Heavy Duty Union Butterfield Spiral Flute Tap, Right Hand Cutting, 1/4-28 Thread, H3 Thread Limit, Plug Chamfer, Right Hand Flute Direction, 3 Flutes, Steam Oxide, HSS

  • Item Code: UNIO 6007751 1010955 1591
  • Brand: Union Butterfield
  • Mfg Part No: 1010955
  • 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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Class of Fit 2B/3B/H3
Cutting Direction Right Hand
Finish/Coating Steam Oxide
Flute Direction Right Hand
Material HSS
Material Application Ferrous Materials and Higher Strength Alloys
Measurement System Imperial
Number of Flutes 3
Overall Length 2-1/2
Series 1591
Shank Diameter 0.255
Thread Limit H3
Thread Size 1/4-28
Thread Standard UNF
Through Coolant (Yes/No) No
UPC 69846412355

Applications

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For tough blind hole tapping applications

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