[100 PKG] Medium Split Lock Washers Thru Hardened Carbon Steel Made in USA 1/2

Secure, reliable locking for your 1/2" fasteners with our Medium Split Lock Washers. Made from thru-hardened carbon steel and manufactured in the USA, these washers are engineered to resist loosening under vibration and dynamic loads, delivering consistent pre-load across demanding applications.

Key specifications

• Material: Thru-hardened carbon steel for exceptional strength and wear resistance
• Size: 1/2" inner diameter to fit standard 1/2" fasteners
• Finish / Origin: Made in USA
• Design: Medium split design provides effective spring tension and load distribution
• Applications: Automotive, industrial equipment, and machinery assemblies requiring vibration resistance

Why choose these split lock washers? They maintain pre-load, resist loosening from vibration, and help extend the life of your fastened joints. For dependable performance in a wide range of mechanical assemblies, add these Medium Split Lock Washers to your toolkit.