Böllhoff Thread Repair Insert 4.2 mm Drill Size, Stainless Steel A2 Silver Plated Inconel X 750, 8 mm Length 41890040008

The Böllhoff 41890040008 Thread Repair Insert is engineered for efficiently restoring damaged or worn threads in metallic parts where reliability, durability, and standardized fit are critical. This insert is particularly useful for maintenance and repair scenarios in professional workshops, manufacturing facilities, and precision assembly lines.

Constructed from Stainless Steel A2 and silver plated, with the inclusion of Inconel X 750, this threaded insert ensures superior mechanical strength and resistance to corrosion and elevated temperatures. The 4.2 mm drill size compatibility makes it ideal for standardized metric thread repairs, providing users with a practical solution that is both easy to install and offers lasting durability.

The insert features a thread length of 8 mm, supporting strong thread formation within the parent substrate. Thanks to meticulous adherence to established norms such as DIN 8140, DIN 65536, LN 9039, EN 2944, LN 9490, and additional globally recognized standards, users can trust its performance in critical and regulated uses.

This threaded insert is often adopted in industries such as automotive repair, aerospace, equipment manufacturing, and construction to extend the life of assemblies and maintain safety. It supports robust thread formation even after repetitive use or in environments subject to mechanical vibrations and thermal cycling.

By choosing Böllhoff's precision-engineered thread repair insert, engineers and technicians ensure effective thread reinforcement and cost-effective component recovery, reducing downtime and scrappage. This product is supplied in multiples of 20 and is an excellent choice for inventory stocks in both commercial and industrial maintenance operations.

Explore more thread repair solutions and browse the full range of precision fasteners in the Industrial Fasteners category at EnvMart.

Explore more products in our Threaded Inserts category.