[6000 BULK] Lock Washers External Tooth Steel Black Oxide #3/8

Secure locking solution for vibration-prone assemblies. The Lock Washers External Tooth Steel Black Oxide #3/8 is engineered to prevent loosening under dynamic loads. The external tooth profile bites into the base material and the nut, delivering positive engagement and consistent clamping force.

Material & finish: Precision-made from high-grade steel with a black oxide finish for a durable, non-glare appearance and added mild corrosion resistance. Ideal for indoor or protected environments.

• External tooth design: positive locking action that resists loosening from vibration and dynamic loads
• Material: hardened steel for strength and durability
• Finish: black oxide provides mild corrosion resistance and a subtle black appearance
• Size: #3/8 diameter suitable for standard fastener applications
• Applications: automotive, machinery, equipment assembly, furniture, and general mechanical assemblies
• Installation tip: place under the nut or bolt head; ensure washer seats flat against the mating surface for optimal locking

Choose Lock Washers External Tooth Steel Black Oxide #3/8 for reliable, vibration-resilient fastening that helps maintain tightness and performance across assemblies where motion is a concern.