Hardware QuickBOLT 1/4" x 3" Hex Head Solar Mounting Screws Stainless Steel, 17556 Mfr. Part # 17556 Diameter 1/4 In.
Hardware Unirac MetalX Service Nut, ES10261 Mfr. Part # ES10261 Diameter 1.26 L x 0.49 W x 0.24 H In.