Screw Supplier | Custom Sealing Screw | OEM/ODM

Huizhou Zeyao Hardware Products Co., Ltd. is a professional manufacturer specializing in custom fasteners, possessing extensive industry experience and a mature production system. Our product line covers a wide range of fasteners, including screws, bolts, nuts, washers, pins, gaskets, supports, rivets, and high-precision parts such as CNC milled and CNC turned parts.
Our products are widely used in various industries including automotive manufacturing, electronics, construction engineering, aerospace, industrial machinery, medical devices, furniture, home furnishings, and railway transportation. For the past 19 years, Zeyao has focused on non-standard fasteners and customized solutions, helping customers achieve their high-precision, high-reliability product design and manufacturing needs.
The factory boasts over 160 advanced production lines, including CNC machine tools, cold heading machines, thread rolling machines, and various surface treatment equipment. Combined with a rigorous quality management system, this ensures that every batch of products maintains high precision and stability. With high production capacity and efficiency, we can meet the demands of large-scale orders ranging from small-batch sample development to monthly production of tens of millions of pieces.
In addition, Zeyao Fastener Factory provides complete OEM/ODM customization services, which can customize materials, size specifications, surface treatment and packaging according to customer drawings, samples or specific requirements.

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O Ring Sealing ScrewType: O Ring Sealing Screwview more
Product Type: Sealed Fastener
Application: Machinery Covers, Outdoor Equipment, Control Boxes, Waterproof Panels
Material: Stainless Steel, Carbon... -
Socket Head Sealing ScrewThe socket head sealing screw is designed to provide both security and protection against moisture and dust. A unique design that includes a seal ring under the head of the screw, it helps...view more
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Flat Head Sealing ScrewThe flat-head sealing screw is designed with a flat head, which sits flush with the surface, preventing accidental bumps or scratches. The screw with a special sealant under the head to prevent...view more
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Sealing Tamper-Resistant Torx ScrewThe sealing tamper-resistant torx screw combines security, and sealing in one smart design. A Torx (star-shaped) groove ensures a precise, and even torque when using a Torx screwdriver. This...view more
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Button Head Sealing ScrewThe button head sealing screw with a black rubber seal and designed for high-performance applications. Combining the strength of stainless steel with the added protection of a black rubber seal,...view more
Specification
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Standard |
ISO,JIS,GB,ANSI,BSW,DIN or non standard as customize |
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Material |
1.Stainless Steel:SS201,SS303,SS304,SS316,SS410,SS420 |
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Grade |
4.8,6.8,8.8,10.9,12.9,etc |
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Size |
M2-M24 or made to print as customer's specification |
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Specifications |
Various shape size according to client's requirement |
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Thread |
UNC,UNF,Metric thread |
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Finish |
Plain,Zinc Plated(Clear/Blue/Yellow/Black),Ni-plated,black oxide,Sandblast and Anodized,H.D.G,DAC,GOEMET,as custom need |
Types of Sealing Screw
The sealing screws produced by our company mainly include the following types:
Socket Head Sealing Screw
The socket head sealing screw is designed to provide both security and protection against moisture and dust. A unique design that includes a seal ring under the head of the screw, it helps maintain a tight seal and ensures waterproof and dustproof performance.
Flat Head Sealing Screw
The flat-head sealing screw is designed with a flat head, which sits flush with the surface, preventing accidental bumps or scratches. The screw with a special sealant under the head to prevent water leakage, this makes it ideal for applications that require both strong fastening and waterproofing.
Button Head Sealing Screw
The button head sealing screw with a black rubber seal and designed for high-performance applications. Combining the strength of stainless steel with the added protection of a black rubber seal, this screw provides reliable sealing and durability in demanding environments.
Customization Process
We provide professional OEM/ODM customization processes to make procurement more efficient and worry-free:
Consultation and Communication
Customers contact us via website, email, or phone, providing basic requirements or sample drawings for the sealing screws.
Solution Design and Quotation
Based on customer requirements, we provide detailed customization solutions, including materials, specifications, sealing design, surface treatment, and production cycle, and offer a professional quotation.
Sample Production and Confirmation
After solution confirmation, we produce samples according to customer requirements. Mass production begins only after customer confirmation of the samples.
Mass Production
Once the samples are confirmed to be correct, the factory begins mass production, strictly adhering to the quality management system for production and testing to ensure that every screw meets standards.
Payment and Delivery
Customers pay a deposit before production begins, with the balance due before shipment. We offer air freight, sea freight, or express delivery options according to customer requirements to ensure timely delivery.
After-Sales Service
We provide long-term technical support for bulk orders. For product issues or special requirements, adjustments can be made at any time to ensure worry-free use for customers.

Advantages Of Sealing Screw
Protecting delicate and vulnerable electronic and mechanical components. Covering the sensitive components prevents damage caused by hazardous contaminants or hostile environments.
Corrosion resistance. Sealing screws get made from corrosion-resistant materials, such as stainless or zinc coated steel.
The elastomers used to create sealing screws won't break down over time. These fasteners can withstand extreme temperature conditions, ozone, and other harsh environmental factors without becoming brittle or losing integrity.
Because sealing screws protect against the intrusion of moisture and contaminants, They tend to work well in a wide array of commercial, industrial, and consumer applications.
Time saving. The self- sealing capabilities simplify the installation process and help installers to save time.
Lower cost of ownership. Sealing screws can typically be removed and reused, making them ideal for temporary projects, or equipment that requires frequent access or maintenance. They also last longer in permanent installations, minimising maintenance and replacement costs.
Applications of Sealing Screw
Hydraulic Systems: Sealing screws are frequently used in hydraulic systems to prevent fluid leaks under high pressure. They help maintain the integrity of the system, ensuring it operates efficiently and safely.
Pneumatic Systems: Similar to hydraulic systems, pneumatic systems rely on sealing screws to prevent air or gas leaks. These screws are crucial for maintaining pressure and control in pneumatic circuits. Q
Automotive Industry: Sealing screws are used in various automotive components, such as engines, transmissions, and brake systems, to prevent fluid or gas leaks and ensure reliable performance.
Aerospace: Aircraft and spacecraft applications often employ sealing screws to maintain the integrity of fluid and gas systems in demanding and high-stress environments.
Oil and Gas Industry: Sealing screws are used in oil and gas equipment and pipelines to prevent leaks of hazardous substances and ensure the safety and efficiency of operations.
Medical Devices: Medical devices, such as ventilators and fluid-handling equipment, may utilize sealing screws to maintain sterile conditions and prevent contamination.
Laboratory Equipment: In laboratories, sealing screws can be found in various analytical instruments, such as mass spectrometers and chromatography equipment, to maintain the integrity of gas and fluid lines.
Food and Beverage Industry: Sealing screws play a role in equipment used for food and beverage processing to prevent contamination and maintain hygiene standards.
Chemical Processing: Chemical processing equipment often relies on sealing screws to prevent leaks of corrosive or hazardous chemicals.
Water and Wastewater Treatment: In water treatment facilities, sealing screws help maintain the integrity of pipes and valves to prevent leaks in water and wastewater systems.
Construction and Plumbing: Sealing screws may be used in plumbing fixtures and construction applications to prevent water leaks in residential, commercial, and industrial settings.
Marine Industry: In boats and ships, sealing screws are used in various applications, including engine components, plumbing, and hydraulic systems, to prevent leaks in marine environments.
Electronics and Electronics Cooling: Sealing screws can be employed in electronic enclosures and heat sinks to prevent moisture ingress and maintain thermal performance.
Renewable Energy: Wind turbines, solar panels, and other renewable energy systems may use sealing screws to ensure the integrity of fluid and gas systems.
Railway and Transportation: Sealing screws are used in the construction and maintenance of railway and transportation systems to prevent leaks in hydraulic and pneumatic systems.
Customizable Options for Sealing Screws
Material
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Size
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Thread type
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Head type
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Surface treatment
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Packaging
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Packaging and Shipping
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Packaging |
Plastic bag + outer carton + pallets |
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Shipping |
We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc. |
Our Certificate

FAQ
We're professional sealing screw manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized sealing screw made in China here from our factory.
Sealing Tamper Resistant Torx Screw, Flat Head Sealing Screw, Hex Head Sealing Screw
