Dottie LW516 Washer, 5/16" Lock Washer

Keep critical installations secure with the Dottie LW516 5/16" Split Lock Washer — engineered to maintain clamp load and resist vibration in demanding environments. The Dottie lock washer uses a trapezoidal split design forged from hardened spring steel with a zinc coating, delivering dependable resistance to rotation and corrosion for 5/16" fasteners. Rated to ASME B18.21.1 standards and supplied in packs of 100, these washers streamline installation and reduce maintenance on surveillance mounts, security enclosures, network racks and monitoring equipment.

Designed for professional integrators and maintenance teams, the LW516 helps preserve torque integrity on cameras, access control hardware, rack-mounted networking gear and other low-voltage systems where loosening can compromise performance. Quick to install and compatible with or without a hardened flat washer, this lock washer is a practical, cost-effective choice for long-term reliability. Order the Dottie LW516 Split Lock Washer to minimize downtime and keep your security, surveillance and networking installations performing reliably — ideal for new installs or routine service work.

• Prevents fastener loosening under vibration, keeping security and surveillance mounts secure
• Hardened spring steel and zinc coating resist wear and corrosion for long-lasting performance
• Trapezoidal split design maintains clamp load on 5/16" fasteners to protect torque integrity
• ASME B18.21.1 compliance ensures consistent quality for professional installations
• Pack of 100 provides cost-effective convenience for installers, maintenance teams, and contractors
• Ideal for networking racks, camera mounts, access control and general low-voltage equipment fastening