Union Butterfield® 1010456 1572 Straight Flute STI Tap, 1/4-28, 3 Flutes, 3B/H3 Class of Fit, Right Hand

25821138 MFG #: 1010456
Union Butterfield® STI Tap, Straight Flute, Series: 1572, Measurement System: Imperial, 1/4-28, UNF Thread, 1-1/8 in Thread Length, 2-23/32 in Overall Length, 3 Flutes, Bottoming Chamfer, Right Hand Cutting, Class of Fit: 3B/H3, 0.318 in Shank Dia, #3 Tap Drill, 0.23799999999999999 in Square Size, HSS, Bright
  • Designed for use in aluminum, magnesium, and other nonferrous materials where taps of this
  • Designed for use in
  • Taps suitable for other materials can be furnished on request
  • Taps suitable for ot
  • STI taps are dimensionally oversize and utilize a larger tap drill size so that the thread
  • STI taps are dimensi
  • For a particular size and pitch the lower H-Limit number is suggested for class 2B and 3B
  • For a particular siz
  • Through or blind hole
  • Through or blind hol
Designed for use in aluminum, magnesium, and other nonferrous materials where taps of this type are most commonly used
• Designed for use in aluminum, magnesium, and other nonferrous materials where taps of this type are most commonly used
Taps suitable for other materials can be furnished on request
• Taps suitable for other materials can be furnished on request
STI taps are dimensionally oversize and utilize a larger tap drill size so that the thread they produce will accept a helical coil wire screw thread insert of the same nominal size and pitch
• STI taps are dimensionally oversize and utilize a larger tap drill size so that the thread they produce will accept a helical coil wire screw thread insert of the same nominal size and pitch
For a particular size and pitch the lower H-Limit number is suggested for class 2B and 3B threads, while the higher H-Limit is suggested for class 2B
• For a particular size and pitch the lower H-Limit number is suggested for class 2B and 3B threads, while the higher H-Limit is suggested for class 2B
Through or blind hole
• Through or blind hole