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Both Acorn Nuts and Crown Cap Nuts feature a closed-dome design. This structure protects the exposed bolt threads from corrosion, moisture, and physical damage, while also preventing accidental injuries caused by contact with sharp thread edges.
Square Nuts offer a larger surface contact area, which provides greater resistance to loosening under vibration. They are ideal for tight spaces where a wrench might slip on a hex nut, and they are widely used in electrical channels and traditional machinery.
Flange Nuts feature an integrated, wide circular flange at one end that acts as a built-in, non-spinning washer. This helps distribute the clamping pressure more evenly over the fastening surface, reducing the risk of damage to the host material and preventing loosening.
Lock Nuts incorporate specialized design mechanisms—such as nylon inserts, distorted threads, or metal locking collars—to create friction against the mating bolt. This friction resists rotational forces caused by constant vibration and dynamic loads.
These industrial fasteners are generally manufactured from high-grade carbon steel, stainless steel, or alloy steel. Surface treatments like zinc plating, hot-dip galvanizing, or black oxide coating are often applied to enhance corrosion and wear resistance.
