Lock Washers Serrated External BZP M12

Lock washers with serrated external design, manufactured in bright zinc plated (BZP) finish. M12 size suitable for bolts and screws requiring enhanced grip and vibration resistance. The serrated teeth bite into surfaces to prevent loosening under stress and movement. Ideal for machinery, automotive, and general engineering applications where secure fastening is essential. Durable corrosion-resistant coating ensures long-lasting performance in varied environments.