#10 Phosphor Bronze External Tooth Lock Washer

Manufactured from phosphor bronze, this #10 external tooth lock washer delivers strong resistance to loosening caused by vibration and movement while offering excellent corrosion resistance. The external teeth bite into the fastener head and mating surface to provide secure locking action along with enhanced electrical conductivity. Ideal for electrical, marine, and general‑purpose applications where durability, conductivity, and corrosion resistance are essential.