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Helical Thread Inserts
Helical Inserts: 3/8-18 NPT, 0.407" Length, Free Running (8 pcs)
Helical Thread Inserts: 3/8-18 NPT, 0.407" Length, Free Running, Package of 8
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Internal Thread Size:
18-8 (304) Stainless Steel
3/8-18 NPT STI
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 so won't strip or seize. Made from corrosion resistant stainless steel, they offer a wide temperature tolerance.
Helical Inserts are often known by the brand names Helicoil or Recoil Screw Thread Inserts. Our Precision Thread Helical Inserts are interchangeable with other brands of inserts and tooling. Rest assured you'll enjoy an easy and accurate transition to our Precision Thread Helical Inserts from Chrislynn.
Available Modifications to our Helical Inserts...
- Inconel X750, Phosphor-Bronze, Nitronic 60, 316 Stainless Steel
- 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
SAME DAY SHIPPING IF ORDERED BY 3PM CST.
Helical Thread Repair Kit: 3/8-18 NPT, 0.407" Length
3/8-18 NPT Helical Installation & Tang Break-Off Tool
3/8-18 NPT HSS STI Plug Tap
21/32" HSS Reduced Shank Drill Bit (Silver & Deming)
3/8-18 NPT Threaded Prewinder Tool
TERMS & CONDITIONS
W328S8900 S Oak Tree Dr
P.O. Box 504
Mukwonago, WI 53149 US