Product Name: Square Washer; Fit Screw/Bolt Thread Diameter: M8(5/16); Inside Diameter: 8.5mm / 0.33"; Outside Size: 25 x 25 x 2mm / 0.98" x 0.98" x 0.08"(L*W*T); Package Content: 20pcs x Square WashersMaterial: Square plate washers are made of 304 stainless steel, rust and corrosion-resistant, with good heat and low temperature strength, suitable for indoor and outdoor use.Advantages: Square washers provide more contact area for fasteners, it is a good choice for applications requiring higher carrying capacity, provide greater stability and prevent loosening.Application: Square washers fit into slots and channels and have flat sides to keep them from rotating, commonly used in mechanical equipment and wood construction, where they create more friction when tightening the wood and are used to fix bolts, screws and other fasteners.
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