1/2" SAE Lock Washer – Grade 5 Zinc Plated Alloy Steel

Engineered for strength and reliability, the 1/2" SAE Lock Washer – Grade 5 is designed to help prevent fasteners from loosening due to vibration and movement. Manufactured from high-quality alloy steel and finished with a corrosion-resistant zinc coating, this lock washer delivers dependable performance in demanding environments.

The split-ring design creates tension between the fastener and surface material, helping maintain a secure hold in applications where vibration or dynamic loads are present. Ideal for use in construction, manufacturing, automotive, equipment maintenance, and marine applications, this washer provides long-lasting fastening security.

Grade 5 Strength – Engineered for high-load fastening applications requiring durability and reliability.

Split Lock Design – Helps prevent loosening caused by vibration and mechanical movement.

Zinc-Plated Finish – Provides corrosion resistance to protect against rust and environmental exposure.

Heavy-Duty Alloy Steel Construction – Built for long-term structural performance.

Versatile Industrial Use – Suitable for construction, automotive, manufacturing, and equipment repair.

Product Specifications

System of Measurement: Inch
Size: 1/2"
Type: Split Lock Washer (SAE)
Material: Alloy Steel
Finish: Zinc Plated
RoHS Compliant: Yes
Part Number: T12LWZ5

Typical Applications

• Securing bolts and nuts in vibrating environments

• Machinery and equipment assembly

• Automotive repairs and maintenance

• Construction and structural fastening

• Industrial manufacturing