The Helicoil HELR4649-12 helical insert is precision-manufactured from heat-treated 304 stainless steel wire helically wound around a mandrel, delivering an exceptional strength-to-weight ratio for demanding industrial and MRO applications. Its smooth surface finish ensures reliable thread engagement and long-lasting performance in high-stress environments.
Designed for M12x1.25 thread repair and reinforcement, these inserts restore or upgrade worn, stripped, or weak threads in metal components with a secure, corrosion-resistant fit. Each pack contains 6 inserts, making them ideal for maintenance teams and production applications alike.