Star internal tooth lock washers are essential fastening components designed to prevent loosening, widely used in machinery, furniture, electrical appliances, devices, cars, sports equipment, and industrial production of shock absorption.SpecificationColor: BlackMaterial: Manganese SteelAdaptable Bolt Size: M3Inner Diameter: 5 mm / 0.2 inchOuter Diameter: 14 mm / 0.55 inchPacking List: 150 x Internal Tooth Lock WashersAdvantageMaterial: Made of Manganese Steel, which provides anti-rust properties, wear resistance, oxidation resistance, high strength, and long service time.Feature: Star internal tooth lock washers feature radial teeth that create more friction and rotational resistance between the fasteners and substrate for superior locking capability.
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