uxcell M4 Flat Washer, 120 Pcs Brass Ring Flat Washers 9mm OD 1mm Thick Metal Sealing Gasket Ring for Screws Bolts Nuts

Additional Details from the Manufacturer

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More features

• [What You Get] - The package comes with 120 Pcs Flat Washer. Inner Dia: 4mm/0.16inch; Outer Dia: 9mm/0.35inch; Thickness: 1mm/0.04inch.
• [Material] - Our lock washer is made of brass with pickling surface treatment, which is strong, oxidation-resistant and rust-proof, with good corrosion resistance and long service life.
• [Function] - The flat washer is mainly used to prevent nuts, bolts, screws from loosening due to mechanical aging, vibration, friction, and plays the role of fixing objects to ensure the stability and security of the machine.
• [Easy to Use] - Generally used under the bolt or nut to evenly distribute the load of the bolt, screw and nut when the fastener is tightened.
• [Wide Application] - The washers are fit for screws, nuts and bolts of the same size, and can be used to connect machinery to prevent loose connections. It is widely used in metal plates, decks, furniture repairs, outdoor buildings and electrical maintenance.