[100 PKG] Medium Split Lock Washer Thru Hardened Steel Zinc Yellow Made in USA 1/2

Medium Split Lock Washer — thru hardened steel with a zinc yellow finish, 1/2" size, Made in USA. This lock washer is engineered to prevent fastener loosening by applying a consistent spring force, even under vibration and dynamic loads. The thru-hardened steel delivers lasting strength, while the zinc yellow coating adds corrosion resistance and a distinctive appearance for easy identification in assemblies.

Key features

• Size: 1/2" (fits corresponding bolts and nuts)
• Material: Through-hardened steel for superior wear and durability
• Finish: Zinc yellow coating for corrosion resistance
• Type: Medium split lock washer
• Origin: Made in USA

Specifications

• Nominal size: 1/2"
• Material: Through-hardened steel
• Finish: Zinc Yellow

Why it matters

In challenging environments with vibration or dynamic loads, this split lock washer maintains clamp force, helps prevent loosening, and protects assemblies from wear. The through-hardened steel ensures durable performance, while the zinc yellow finish provides reliable corrosion resistance and easy visual identification.

Installation tips

Place the washer under the nut or bolt head, align with the hole, and tighten to the recommended torque. Use with compatible fasteners to maximize holding power in automotive, machinery, or general hardware applications.