Wing Nuts with a Round Washer Base - Zamak 3 Zinc Alloy
Manually installed wing nuts with a washer base
Commonly used in applications where assembly and disassembly is frequent such as hurricane shutters, rigging & lighting equipment and thin metal applications
Integrated washer base helps distribute load over a wider area and eliminates the need of a second fastener - Cost and Time Saving
Also called flanged wing nuts - Flange or washer base is non-serrated