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

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.