What is Thread insert
Thread inserts provide permanent, high-quality, wear-resistant internal threads mainly designed to get installed in drilled holes or molded forms in a simple and quick way. In-fact there are many advantages of using thread inserts.
Benefits of Thread Insert
Strength:
Corrosion Resistance:
Cost and Weight Benefits:
Wear Resistance:
How to use Insert Thread:
Types of Thread Inserts:
Externally Threaded Inserts: They have threads in the inside and outside of the insert. The insert is threaded into a pre-tapped hole or few inserts tap their own threads in a drilled or molded hole. Those inserts that are lock-via-friction or self-tapped are most commonly known by the trademarked names Tap-lock or Speedserts.
Helical Inserts: It is an insert made of coiled wire. These inserts are used to offer stronger threads in soft materials such as zinc die castings, magnesium, wood, aluminum etc. and provides a convenient means of repairing stripped-out threads.
Mold-in Inserts: They are internally threaded and have specially shaped outer diameter to anchor the insert in plastic. They can be heated and pressed into premade thermoplastics.
Press-fit Inserts: These are internally threaded and have knurled outer diameter. These are pressed into plain hole with an arbor press.
Potted Inserts: It refers to the application of epoxy to fix it to a panel like a sandwich panel or honeycomb which are often used in commercial aircraft.