APPLICATION:These hex nuts serve multiple applications:-Coastal areas, marine environments, and salt spray corrosion conditions-Industrial equipment maintenance and assembly-Agricultural machinery repairs-Tool and mechanical servicing-Indoor/Outdoor equipment requiring corrosion resistance-Scale model fabrication-Chainsaw flywheel nut replacementThey are matched with bolts and washers of equivalent size and surface finish for secure fastening solutions.ABOUT THIS PRODUCT/FEATURES:Material: Nylon-Electrical insulation performance-High strength and durability-Rust resistance-Corrosion resistance-Oxidation resistance-Precise thread profile-Smooth surface finishSPECIFICATION:-Quantity: 200 pcs-Thread diameter: 2 mm-Thread pitch: 0.4 mm-Height: 1.6 mm-Across flats: 4 mm-Thread direction: Right-hand-Thread standard: Coarse ThreadTAKE NOTICE/TIPS:--Please verify these parameters of the hex nut: thread size, thread diameter, and material grade - to ensure full compatibility with your bolt specifications.