Union Butterfield® 1310081 1580 Forming Tap, 5/16-18 Thread, H7 Thread Limit

25821848 MFG #: 1310081
  • Series: 1580
  • Measurement System: Imperial
  • Thread Size: 5/16-18
  • Thread Standard: UNC
  • Chamfer Type: Bottoming
  • Thread Length: 1-1/8
  • Overall Length: 2-23/32
  • Cutting Direction: Right Hand
  • Class of Fit: 2B/3B
  • Shank Diameter: 0.318
  • Square Size: 0.238
  • Material: HSS
  • Finish/Coating: Bright
  • Thread Limit: H7
Union Butterfield® Forming Tap, Series: 1580, Measurement System: Imperial, 5/16-18 Thread, UNC Thread Standard, Bottoming Chamfer, 1-1/8 in Thread Length, 2-23/32 in Overall Length, Right Hand Cutting Direction, Class of Fit: 2B/3B, 0.318 in Shank Diameter, 0.238 in Square, HSS, Bright, H7 Thread Limit
  • The Rol-Rite style has a spiral lobe pattern and no oil or lubrication grooves
  • For through or blind hole applications
The Rol-Rite style has a spiral lobe pattern and no oil or lubrication grooves
For through or blind hole applications