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Helical Thread Inserts
1 3/8-12 Complete Helical Thread Repair Kit (1.5xD)
1 3/8-12 Helical Insert (1.5xD), Drill Bit, STI Plug Tap & Installation Tool
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kit you'll need for internal thread repair!
Our complete thread repair kit includes:
HSS Drill Bit
HSS STI Plug Tap
of 1.5xD Length
Helical Insert Specs:
Internal Thread Size:
1 3/8-12 UNF
18-8 (304) Stainless Steel
1 3/8-12 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. 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. If you are currently using Helicoil, Recoil, or Mil Spec part numbers for your inserts, please see our Cross Reference Numbers below for an easy and accurate transition to our Precision Thread Helical Inserts from Chrislynn.
Cross Reference: Helical Insert, 1 3/8-12, 2.062" (1.5xD) Length, Free Running
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 when requiring 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
Need a different size or length? Just want the inserts?
For a comprehensive list of our available kits, inserts, and tools - please visit our
Helical Thread Insert
SAME DAY SHIPPING IF ORDERED BY 3PM CST.
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1 3/8-12 HSS STI Plug Tap
1 3/8-12 Helical Installation & Tang Break-Off Tool
1 3/8-12 Slotted Prewinder Tool
1 13/32" HSS Reduced Shank Drill Bit (Silver & Deming)
TERMS & CONDITIONS
W328S8900 S Oak Tree Dr
P.O. Box 504
Mukwonago, WI 53149 US