Union Butterfield 1310185 3300 Fluteless Forming Tap, 1/4-28 Thread, H4 Thread Limit

  • Item Code: UNIO 6009450 1310185 3300
  • Brand: Union Butterfield
  • Mfg Part No: 1310185
  • Manufacturer: Dormer Pramet
  • Unit Size: 1

Description

Features

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    • The Rol-Form style has 2-4 grooves (depending on size) extending the full length of thread to assure lubrication in the forming zone and to eliminate build up of the hydraulic pressure in blind holes
    • Particularly suited to blind holes in thin walled die-castings

Tech Specs

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Chamfer Type Bottoming
Class of Fit 2B/3B
Cutting Direction Right Hand
Finish/Coating Bright
Measurement System Imperial
Overall Length 2-1/2
Series 3300
Shank Diameter 0.255
Square Size 0.191
Tap Drill Size #3
Thread Length 1
Thread Limit H4
Thread Size 1/4-28
Thread Standard UNF
Type Fluteless
UPC 69846405230

Applications

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For through or blind holes applications

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