Amazon.com: Rok Hardware # 1/4" - 20 Heavy Duty Die Cast Zinc Metal Wing Nut with Washer Base for Hurricane Shutter Panels (25) : Industrial & Scientific
3/8 x 7/8 x 1 1/8 Die Cast Wing Nut with Flange Zinc Alloy | ASMC.net
B27 Dixon Valve 2' Plated Iron GJ Boss Ground Joint/Washer Seal - Wing Nut for 23.12
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Set of 2 Black Berkey® Element Wing Nuts and 2 Washers - Berkey USA
Solid Surface and Stone Countertop WASHER BASE WING NUTS 1/4-20 (100/BOX)
1/4-20 Washer based wing nuts, 7/8" x 1-1/8", diecast zinc alloy, bag of (100) - Display Innovations
Amazon.com: Flanged Wing Nuts Washer Base Wing Nuts Die Cast Zamak 3 Zinc Alloy - Sizes #8-32 Through 3/8"-16-5/16"-18 Qty 100 : Industrial & Scientific