Professional Helical Thread Repair Kit: 2 1/8-8, 3.187" (1.5xD) Length

Helical Insert Specs:

Internal Thread Size: 2 1/8-8
Length: 3.187" (1.5x diameter)
Material: 18-8 (304) Stainless Steel
Type: Free Running
Tap Size: 2 1/8-8 STI
Drill Size: 2 1/8" (not included in kit)

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. Rest assured you'll enjoy an easy and accurate transition to our Precision Thread Helical Inserts from Chrislynn.

Available Modifications to our Helical Inserts...

Material - Inconel X750, Phosphor-Bronze, Nitronic 60, 316 Stainless Steel
Coatings - 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 summary page.