Threaded inserts come in a variety of shapes and sizes, as well as a variety of materials. For complete availability, please see the tables below.
How to repair a lead pipe - Quora
Threaded Inserts, Flanged & Blind Inserts - Stainless Steel/Brass/Alu Bushings, Features & Applications
Plastic Parts - Petron Thermoplast
Threaded Inserts for plastics Types, Applications & Characteristics
Threaded Inserts for Plastic, & Stainless Steel
Is UPVC Pipe Suitable for Hot Water? - Petron Thermoplast
M16X1.5X16.0 LOCKING - Metric Threaded Inserts - Pack of 50 - ID: 401523-84574
What is PVDF in Plumbing? - Petron Thermoplast
Threaded Inserts and Devices for Thermoplastics