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All-Metal Stainless Steel Cap Nuts | Hex Drive All-Metal Cap Nuts | High Strength for High-Pressure Use

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All-Metal Stainless Steel Cap Nuts | Hex Drive All-Metal Cap Nuts | High Strength for High-Pressure Use

Dome nut is an industrial fastener with a hex nut as the main body and a sealing cap structure at the top, primarily used to prevent moisture or corrosive substances from intruding into the internal threads. The main standards include DIN 1587 and DIN 986.

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Classification by Structural Type:
(1) All-Metal Cap Nuts: Made entirely of stainless steel through integral machining, these nuts offer high strength and excellent corrosion resistance. They are suitable for high-temperature, high-pressure, or highly corrosive environments, such as chemical pipeline connections and ship equipment fastening.
(2) Nylon-Insert Cap Nuts: These nuts feature a nylon ring embedded inside the metal nut, utilizing the elasticity of nylon to provide a self-locking function that prevents loosening. They are ideal for equipment connections subject to frequent vibrations, such as automotive chassis and construction machinery.
(3) Closed-End Cap Nuts: With a fully enclosed top, these nuts effectively prevent dust, moisture, and other foreign particles from entering the bolt end. They are suitable for outdoor or humid environments, such as construction scaffolding and agricultural machinery.
(4) Open-End Cap Nuts: These nuts have an opening or groove at the top, allowing for easy inspection of whether the bolt is fully screwed in. They are applicable to connection points requiring regular inspection or adjustment, such as equipment maintenance and repair scenarios.

All-Metal Stainless Steel Cap Nuts | Hex Drive All-Metal Cap Nuts | High Strength for High-Pressure Use
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All-Metal Stainless Steel Cap Nuts | Hex Drive All-Metal Cap Nuts | High Strength for High-Pressure Use
All-Metal Stainless Steel Cap Nuts | Hex Drive All-Metal Cap Nuts | High Strength for High-Pressure Use

 



 

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