Overview
DIN 8140 is a dimensional standard for threaded inserts used in industrial, mechanical, and engineering fastening applications. It defines insert dimensions, thread configurations, tolerances, and installation characteristics to support secure thread engagement and fastening reliability. The standard is commonly referenced together with thread tolerance, material, and inspection standards depending on the application requirements. DIN 8140 threaded inserts are commonly used in aluminum, steel, cast iron, and softer base materials requiring reinforced threads. When sourcing DIN 8140 threaded inserts, the standard alone may not fully define the product requirements. Additional specifications may include thread size, insert length, material requirements, installation type, and certification requirements.