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316 Stainless Steel Flat Washer, Plain Finish, Meets DIN 125, M2.5 Hole Size, 2.7mm ID, 6mm OD, 0.5mm Nominal Thickness (Pack of 100): Industrial & Scientific. 316 Stainless Steel Flat Washer, Plain Finish, Meets DIN 125, M2.5 Hole Size, 2.7mm ID, 6mm OD, 0.5mm Nominal Thickness (Pack of 100): Industrial & Scientific. The 316 stainless steel flat washer has a plain finish and meets Deutsches Institut für Normung DIN 125 specifications. The flat washer provides a bearing surface for fastener load distribution or is used as a spacer between components. The 316 stainless steel grade provides strength and offers better corrosion resistance than 18-8 stainless steel, especially in marine environments. The material may be slightly magnetic.。Washers distribute the load of a fastener across a surface and can also be used as spacers, springs, shims, or locking devices. Several different washer styles fit a variety of application and installation requirements. The most common style is a flat washer. More specialized washers provide additional benefits. A cup washer, for example, helps protect fasteners from electrical currents, while a lock washer offers additional security in an assembled workpiece.。 。 。 。