M4 Split Lock Washer, Stainless Steel A4 (316)

Manufactured from A4 (316) stainless steel, this M4 split lock washer offers superior corrosion resistance for marine, chemical, and harsh environmental conditions. The split, spring‑style design maintains tension under clamping force to help prevent loosening caused by vibration and movement. Ideal for precision, industrial, and general‑purpose metric applications requiring maximum corrosion protection and dependable locking performance.