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Home>Helical Thread Inserts>American>UNC
Helical Insert: 4-40, 0.112" (1.0xD) Length, Free Running, Phosphor Bronze (1 pc)
Part Number 84004BU
Helical Insert: 4-40, 0.112" (1.0xD) Length, Free Running, Phosphor Bronze (1 pc)
Helical Insert: 4-40, 0.112" (1.0xD) Length, Free Running, Phosphor Bronze
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Description
Product Specs:
  • Internal Thread Size: 4-40 UNC
  • Length: 0.112" (1x diameter)
  • Material: Phosphor Bronze
  • Type: Free Running
  • Tap Size: 4-40 STI
  • Drill Size: #31
  • Package Quantity: 1
Quickly and easily repair stripped or damaged threads, or create stronger original threads in die castings or plastics with our Helical Screw Thread Inserts.  Coil tension securely holds the insert in place without undue tension on the surrounding material.  The inserts are vibration and impact resistant.

Available Modifications to our Helical Inserts...
  • Material - Inconel X750, Nitronic 60, 316 Stainless Steel, 304 Stainless Steel
  • Coatings - Dry Film, Cadmium, Silver Plating
  • Please call for quote & lead time for any modifications
Our Precision Thread Helical Inserts meet or exceed most applicable specifications, including: MS 122076 series, 124651 series, 21208, 21209, 33537, Mil-1-8846, and Mil-F-5577.

Not the correct size? Looking for a different length?

For a comprehensive list of our available sizes and lengths, please visit our
Helical Thread Insert summary page.


  • SAME DAY SHIPPING IF ORDERED BY 3PM CST.
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