• Made of high quality 304 stainless  steel, corrosion resistant, sturdy and durable
• Shiny washer that allows the screw to recess into the center giving a clean, decorative presentation
• Finish washers are designed to accommodate the heads of a countersunk screw in order to provide a finished appearance
• Washers are great to have around for use in wood and wet environments.Washers are usually used where larger outside diameters are required to increase the bearing surface and reduce the surface load

Specifications:

• 6# (M3*11*2.5): Outer Diameter: 11mm; Inner Diameter: 3.5mm
• 8# (M4*13*2.5): Outer Diameter: 13mm; Inner Diameter: 4.2mm
• 10# (M5*15*3): Outer Diameter: 15mm; Inner Diameter: 4.8mm
• 12# (M6*17*3.5): Outer Diameter: 17.3mm; Inner Diameter: 5.5mm