#2 Internal Tooth Lock Washer, Stainless Steel 400 Series

Manufactured from 400‑series stainless steel, this #2 internal tooth lock washer is designed to resist loosening from vibration and movement. The internal teeth grip the underside of the fastener head and the mating surface to provide reliable locking action and improved electrical conductivity. Suitable for automotive, electrical, and general‑purpose inch‑series applications where secure fastening and moderate corrosion resistance are required.