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Custom Blue Anti Loosening Coating Torx Slot Washer Sealing Screw
Custom Blue Anti Loosening Coating Torx Slot Washer Sealing Screws offer tailored solutions—customizable in size, thread, and specs to match unique needs. The blue anti-loosening coating boosts durability, resists corrosion, and prevents loosening even in vibrational environments. Their Torx slot enables anti-slip, easy tool tightening, while the integrated washer enhances sealing performance (waterproof, leakproof). Ideal for electronics, home appliances, and industrial equipment, delivering reliable fastening and long-lasting protection.
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Anti Leak Customized Black Coated Washer Torx Slotted Sealing Screw
Anti Leak Customized Black Coated Washer Torx Slotted Sealing Screws are engineered for leakproof performance. Customizable in size, thread, and specs to fit unique needs, they feature a black coating for corrosion resistance and durability. Equipped with a washer and sealing design, they ensure tight, long-lasting sealing. Dual Torx-slotted drive fits diverse tools for easy installation, ideal for bathroom, home appliances, and industrial equipment—delivering reliable fastening and effective leak prevention.
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Stainless Steel Pan Head Phillips O Ring Rubber Sealing Screw
Stainless Steel Pan Head Phillips O Ring Rubber Sealing Screws combine durable stainless steel construction (for corrosion resistance) with an integrated rubber O-ring for reliable waterproof, leak-proof sealing. Their pan head enables flush surface fitting, while the Phillips recess allows easy tool-driven tightening. home appliances, outdoor equipment, and electronics—blending secure fastening with robust moisture protection to ensure long-term stable performance in damp or wet environments.
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Leak Proof And Waterproof Customizable Hexagon Socket O-Ring Sealing Screws
Leak-Proof and Waterproof Customizable Hexagon Socket O-Ring Sealing Screws are engineered for tight, moisture-resistant fastening. Equipped with integrated O-rings, they form a reliable seal to prevent leaks, ideal for plumbing, automotive, electronics, and industrial equipment. The hexagon socket design enables easy, secure tightening, while customizable options (size, material, seal strength) adapt to diverse needs. Crafted for durability, they withstand harsh environments, delivering long-lasting, waterproof performance.
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Precision Phillip Flat Slotted Head Waterproof o-Ring Sealing Screw
Precision Phillip Flat Slotted Head Waterproof O-Ring Seal Screws are engineered for tight, leakproof fastening. Their dual-drive design—Phillip cross recess and slotted head—accommodates versatile tool use, while the flat head sits flush for a clean, low-profile finish. The integrated O-ring creates a reliable waterproof seal, making them ideal for damp, submerged, or moisture-prone environments like electronics, plumbing, and outdoor equipment. Crafted for precision, these screws ensure secure fit and consistent performance, blending functionality with durability to meet strict sealing requirements.
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High Quality Stainless Steel Waterproof O-Ring Sealing Screws
High Quality SUS304 Waterproof Sealing O-Ring Screws, crafted from premium SUS304 stainless steel, offer exceptional corrosion resistance. The integrated O-ring ensures reliable waterproof sealing, preventing leaks in damp or submerged environments. Ideal for machinery, plumbing, and outdoor equipment, they blend durability with precise, secure fastening.
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High Quality Flat Head Pan Head Cylinder Head Hexagon Phillips Sealing Screw
Yuhuang provides high-quality sealing screws in flat head, pan head, cylinder head, and hexagon Phillips designs. Equipped with colored sealing rings, they ensure reliable waterproofing, dustproofing, and leak prevention for electronics, automotive, appliances, and industrial assemblies.
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China Wholesale Custom OEM Tapping Cross Recessed Pan Head Seal Screw
In industrial applications where precision, durability, and leak resistance matter, sealing screws stand out as a critical component. From automotive engines to electronic enclosures, these specialized fasteners ensure that joints remain secure while preventing the ingress of liquids, gases, or contaminants. As a 30-year veteran in the fastener industry, **Dongguan Yuhuang Electronic Technology Co., Ltd** brings unmatched expertise to manufacturing high-quality sealing screws and a wide range of fastening solutions. Let’s explore what makes sealing screws indispensable and how our custom services can meet your unique needs.
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Square Drive Waterproof Seal Screws for Cylinder Heads
The Square Drive Waterproof Seal Screw for Cylinder Head is a specially designed fastening solution to meet the unique requirements of cylinder head applications. Featuring a square drive mechanism, this self-tapping screw ensures enhanced torque transfer and secure installation, making it an ideal choice for automotive, industrial, and machinery use. The waterproof seal capability adds an additional layer of protection, preventing leaks and ensuring the longevity of your machinery. Engineered for reliability, this non-standard hardware fastener is a top-tier choice for OEM and custom applications, offering tailored solutions for those in need of high-performance fastening systems.
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Countersunk Hex Socket Machine Screw with O-Ring
The Countersunk Hex Socket Sealing Screw with O-Ring is a precision-engineered fastener designed for secure and waterproof applications in industrial and electronic settings. Its countersunk head ensures a flush finish, while the hex socket drive allows for easy installation with maximum torque transfer. The O-ring provides a reliable seal, protecting against moisture and dust, making it ideal for environments where waterproofing is essential. Crafted from high-quality materials, this screw delivers durability and performance, meeting the needs of demanding applications.
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China Slotted Sealing Screw with O-Ring
Introducing the Slotted Sealing Screw with O-Ring, a versatile and reliable solution for your sealing needs. This nonstandard screw combines the functionality of a traditional slotted drive with the advanced sealing capabilities of an O-ring, making it an ideal choice for applications requiring a waterproof and secure connection.
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Cylinder Security Sealing Screw with Star Column
Introducing our premium Cylinder Head Security Sealing Screw, an innovative and robust security solution designed for applications requiring both high-level tamper resistance and superior sealing performance. Engineered with precision, these screws feature a unique cylinder cup head and a star-shaped pattern with integrated columns, offering unparalleled security and reliability. Two standout features that set this product apart are its advanced sealing mechanism and its sophisticated anti-theft design, making it ideal for a wide range of industries and applications.
Sealing Screw safeguards applications from extreme weather, moisture, and gas infiltration by eliminating gaps between fasteners and contact surfaces. This protection is accomplished through a rubber O-ring installed beneath the fastener, which creates an effective barrier against contaminants like dirt and water penetration. The compression of the O-ring ensures complete closure of potential entry points, maintaining environmental integrity in the sealed assembly.
Types of Sealing screws
Sealing screws come in various types, each suited to specific applications and designs. Here are some common types of waterproof screws:
Sealing Pan Head Screws
Flat head with built-in gasket/O-ring, compresses surfaces to block water/dust in electronics.
Cap Head O-Ring Seal Screws
Cylindrical head with O-ring, seals under pressure for automotive/machinery.
Countersunk O-Ring Seal Screws
Flush-mounted with O-ring groove, waterproofs marine gear/instruments.
Hex Head O-Ring Seal Bolts
Hex head + flange + O-ring, resists vibration in pipes/heavy equipment.
Cap Head Seal Screws withUnder Head Seal
Pre-coated rubber/nylon layer, instant sealing for outdoor/telecom setups.
These types of sael screws can be further customized in terms of material, thread type, O-Ring，and surface treatment to meet the specific needs of various applications.
Application of Sealing screws
Sealing screws are widely used in scenarios requiring leak-proof, corrosion-resistant, or environmental isolation. Key applications include:
1. Electronics & Electrical Equipment
Applications: Smartphones/laptops, outdoor surveillance systems, telecom base stations.
Function: Block moisture/dust from sensitive circuits (e.g., O-ring screws or nylon-patched screws).
2. Automotive & Transportation
Applications: Engine components, headlights, battery housings, chassis.
Function: Resist oil, heat, and vibration (e.g., flanged screws or cap head O-ring screws).
3. Industrial Machinery
Applications: Hydraulic systems, pipelines, pumps/valves, heavy machinery.
Function: High-pressure sealing and shock resistance (e.g., hex head O-ring bolts or thread-sealed screws).
4. Outdoor & Construction
Applications: Marine decks, outdoor lighting, solar mounts, bridges.
Function: Saltwater/corrosion resistance (e.g., countersunk O-ring screws or stainless steel flanged screws).
5. Medical & Lab Equipment
Applications: Sterile instruments, liquid-handling devices, sealed chambers.
Function: Chemical resistance and airtightness (require biocompatible sealing screws).
How To Order Custom Fasteners
At Yuhuang, the process of ordering Custom Fasteners is simple and efficient:
1.Specification Definition: Clarify material type, dimensional requirements, thread specifications, and head design for your application.
2.Consultation Initiation: Reach out to our team to review your requirements or schedule a technical discussion.
3.Order Confirmation: Finalize details, and we'll commence production immediately upon approval.
4.Timely Fulfillment: Your order is prioritized for on-schedule delivery, ensuring alignment with project deadlines through strict adherence to timelines.
Our customers also frequently buy
Machine Screw
Self tapping Screw
Captive Screw
Sems ScrewFAQ
1. Q: What is a sealing screw?
A: A screw with a built-in seal to block water, dust, or gas.
2. Q: What are waterproof screws called?
A: Waterproof screws, commonly termed sealing screws, use integrated seals (e.g., O-rings) to block water penetration in joints.
3. Q: What is the purpose of a sealing Fasteners fitting?
A: Sealing fasteners prevent water, dust, or gas from entering joints to ensure environmental protection.
