DIN 8140 B self-locking wire thread inserts are high-quality fastening elements, ideal for various types of applications. Made of A2 class material, they ensure durability and reliability. These thread inserts are easy to install and provide a secure and stable connection. Perfect for plugs - grease nipples and other applications. Thanks to the DIN 8140 B standard, you can be sure that you receive a product that meets the highest quality standards.