[100 PKG] Medium Split Lock Washers Thru Hardened Carbon Steel 3/8 Holiday Sale

Medium Split Lock Washers, manufactured from thru-hardened carbon steel in the 3/8 inch size, provide a reliable locking action to prevent fastener loosening in high-vibration assemblies.

Material: Through-hardened carbon steel for lasting durability and wear resistance.

Size: 3/8 inch (inner diameter), compatible with standard 3/8″ fasteners.

Type: Medium split lock washer, designed to bite into surfaces and lock under load.

Benefits: Reduces loosening due to vibration, maintains clamp load over time.

Applications: Ideal for automotive, machinery, and general hardware where a secure lock is required.

Installation tip: Place under the bolt head or nut and ensure it’s fully seated to maximize locking action.