Premium aluminum flat square washer plates for 1-5/8 inch strut channels and 1/4 inch bolts, featuring a 3 mm thick, 40 mm outer size with 8 mm holes, anodized for durable, corrosion resistant solar panel mounting
UPC:
✔️ 10 pcs aluminum square washers, 1/8 in (3 mm) thick, 5/16 in hole
These aluminum flat square washer plates are designed to fit 1-5/8 in strut channel and work with 1/4 in bolts, making solar mounting brackets and lightweight framing easier to assemble.
✅ Material: Aluminum alloy
✅ Size: 1-5/8 in square (40 mm)
✅ Thickness: 1/8 in (3 mm)
✅ Hole diameter: 5/16 in (8 mm)
✅ Bolt compatibility: accepts 1/4 in bolts
✅ Weight: 0.46 oz (13 g) each; 5.1 oz (145 g) for 10 pcs
💡 What is an aluminum flat washer plate used for in strut channel installations? These plates help distribute load and protect mounting hardware in outdoor solar panel mounts and framing projects. - Load distribution for bolts in 1-5/8 in strut channel - Aligns components and reduces pull-through in outdoor frames - Corrosion-resistant anodized aluminum for long outdoor life - Lightweight and easy to install in tight spaces