5/16 in. Zinc-Plated Split-Lock Washer | BRI-349007

Brighton Best's Zinc-Plated Split-Lock Washer is precision-formed to deliver consistent locking performance across high-volume installations. The split design helps compensate for minor surface irregularities while maintaining clamping pressure under load. Suitable for use in automotive, construction, industrial, and repair applications, this washer enhances joint stability without the need for specialized tools. Whether securing machinery components or reinforcing bolted connections, it provides a practical and cost-effective solution for preventing fastener back-off.

• Split-lock design helps resist loosening from vibration and movement
• Zinc-plated steel construction provides corrosion resistance for general applications
• Designed for compatibility with 5/16 in. bolts and threaded fasteners
• Helical shape increases friction to improve joint security
• Suitable for mechanical, automotive, and construction fastening tasks