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Waterproof Self Sealing Screws Manufacturers

Suzhou Anzhikou Hardware Technology Co., LTD. wprowadził dwa rodzaje wodoodpornych śrub: wodoodporne śruby z pierścieniem uszczelniającym i wodoodporne śruby z uszczelniaczem. Obydwa mogą być stosowane w sprzęcie zewnętrznym, lampach, instrumentach i miernikach. Prosimy o sprawdzenie wiedzy na temat wodoodpornej śruby:
1. Stopień wodoodporności
Chociaż jeden to uszczelniający o-ring, a drugi to uszczelniacz, stopień wodoodporności obu może osiągnąć IP67 i IP68.
2. Zasada wodoodporności
Są one wytłaczane, aby uzyskać efekt hydroizolacji, ale jeden jest pierścieniem uszczelniającym do wytłaczania, a drugi jest uszczelniaczem do wytłaczania.
3. Surowce i proces produkcyjny
Proces produkcyjny obejmuje kucie na zimno; surowcami są głównie stal nierdzewna, którą można pasywować w celu zwiększenia odporności stali nierdzewnej na rdzę.
4. Rozmiar
Uszczelniający pierścień typu O-ring można stosować wyłącznie do wodoodpornych śrub powyżej M1,6, ale uszczelniacz można nakładać na dowolny rozmiar.
Główne cechy wodoodpornej śruby:
1, nienawidzę wody, nienawidzę oleju
2. Promuj uwalnianie wilgoci i pary
3. Ekstremalna bezwładność chemiczna
4, nie spadnie
5, odporny na promieniowanie UV
6. Ekstremalna odporność na temperaturę
Główne zalety śruby wodoodpornej:
1. Chroń wrażliwe produkty elektroniczne i indukcyjne
2. Długa żywotność i bezproblemowa konserwacja w ekstremalnych warunkach
3, znacznie zmniejszają wady produktów elektronicznych i indukcyjnych spowodowane korozją solną
4, znacznie zmniejszają mgłę i rosę
5. Zmniejszyć naprężenie listwy uszczelniającej obudowę poprzez wyrównanie ciśnienia
Suzhou Anzhikou Hardware Technology CO., Ltd. jest producentem z wieloletnim doświadczeniem w produkcji śrub dostosowanych do indywidualnych potrzeb. Obecne dwa wodoodporne sposoby (uszczelniacz pierścienia uszczelniającego) śruby możemy to zrobić, mogą również zgodnie z zapotrzebowaniem klienta na niestandardowe, jeśli nie ma rysunku, nasz inżynier może również zgodnie z Twoją prośbą zaprojektować rysunki, aby zapewnić odpowiednie rozwiązania w zakresie elementów złącznych.
Koncentruje się na precyzyjnej produkcji śrub i niestandardowych rozwiązaniach z zakresu elementów złącznych.

Suzhou Anzhikou Hardware Technology Co., Ltd. is a manufacturer integrating the development, production, and sales of precision screws. Waterproof Screws Manufacturers and Self Sealing Screws Factory in China. The company's existing factory covers an area of 2000 square meters and has successively introduced more than 200 sets of precision equipment from Taiwan and Japan, including a complete set of fastener production equipment such as cold heading, thread rolling wire, CNC and anti-loosing, etc., which can produce miniature screws with an external diameter of 0.6mm/length of 0.6 mm, and the annual production capacity of standard parts and non-standard screws is up to 2,000 square meters.
Anzhikou hardware has a complete range of testing equipment and has passed the ISO9001:2015 quality system certification, with 20 years of industrial production and development experience, industry experience of 20 years of engineering and technical staff of 10, according to customer needs to customize a variety of non-standard screws, Wholesale Waterproof Screws, to meet different customer quality and quantity requirements. Suzhou Anzhikou precision screws with excellent product quality, best-selling export 40 countries and area worldwide.

Suzhou Anzhikou Hardware Technology Co., Ltd.
Certyfikat
  • System Zarządzania Jakością
  • Świadectwo kalibracji
  • Świadectwo kalibracji
  • Świadectwo kalibracji
  • Świadectwo kalibracji
  • Świadectwo kalibracji
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Wiadomości

Industry knowledge

Choosing Between O-Ring Sealing and Sealant Sealing

Waterproof Screws can use different sealing structures depending on screw size, installation space, and waterproof requirements. O-ring waterproof screws rely on the compression of a sealing ring, while sealant waterproof screws rely on the compression and filling effect of pre-applied sealant. Both solutions can be used in outdoor equipment, lamps, instruments, and meters.

The key selection difference is not only waterproof grade, but also screw size and assembly structure. O-ring waterproof screws are generally suitable for sizes above M1.6, while sealant waterproof screws can be applied to a wider range of sizes.

Comparison of common waterproof screw sealing methods
Sealing Method Waterproof Principle Buyer Attention Point
O-ring sealing Compresses the sealing ring under the screw head or sealing area Usually suitable for waterproof screws above M1.6
Sealant sealing Compresses sealant to fill the gap and block water entry Can be used for many sizes, including very small screw designs
Combined sealing design Uses structural compression and material filling together Requires careful control of space, torque, and assembly pressure

At Anzhikou, we usually recommend reviewing the screw size, housing material, hole structure, and tightening torque together before choosing between O-ring sealing and sealant sealing.

Why Compression Control Determines Waterproof Reliability

Self Sealing Screws achieve waterproofing through compression. If the sealing ring or sealant is not compressed enough, water may enter through the gap. If the compression is too strong, the sealing material may deform excessively, shift position, crack, or lose long-term recovery performance.

Buyers should define not only the screw drawing, but also the installation condition. The final waterproof effect is related to screw head geometry, sealing material thickness, mating surface flatness, tightening torque, and hole tolerance. A waterproof screw must be tested in the real assembly, not only inspected as a single part.

Practical compression control factors

  • Tightening torque and whether the assembly uses manual, electric, or automatic tools.
  • Flatness and roughness of the contact surface around the screw hole.
  • Sealing ring hardness, sealant thickness, and compression recovery ability.
  • Hole diameter tolerance and whether there is a countersink or sealing groove.
  • Whether vibration, heat, outdoor exposure, or repeated maintenance will affect sealing stability.

With complete testing equipment and long-term precision screw production experience, Anzhikou can help buyers set practical assembly and inspection points for waterproof fastening projects.

Material and Passivation Considerations for Outdoor Use

Waterproof applications often involve outdoor equipment, lighting products, instruments, meters, and exposed housings. Stainless steel is commonly selected because of its corrosion resistance, while passivation can further improve rust resistance by helping strengthen the protective surface condition of stainless steel.

However, material selection should also consider strength, head shape, thread engagement, and compatibility with the sealing material. Water resistance and rust resistance should be evaluated together, especially for outdoor products with long service cycles.

Information buyers should confirm

  1. Whether the screw is exposed to rain, humidity, dust, temperature change, or chemical contact.
  2. Whether stainless steel material strength is enough for the required tightening torque.
  3. Whether passivation, plating, or another surface treatment is required after cold heading.
  4. Whether the sealing material is compatible with the screw surface and mating housing material.
  5. Whether appearance consistency is required for visible screws on lamps or instruments.

Anzhikou produces waterproof screw parts mainly through cold heading and supports stainless steel surface passivation requirements, helping buyers balance production efficiency, sealing performance, and corrosion resistance.

Inspection Planning for IP67 and IP68 Waterproof Fastening

Waterproof screw orders should be inspected for both dimensional accuracy and sealing performance. A screw may meet drawing size requirements but fail waterproof testing if the seal is not compressed correctly, the mating surface is uneven, or the sealant coverage is inconsistent.

For applications targeting IP67 or IP68 performance, buyers should define the test method, sample quantity, assembly torque, immersion condition, and acceptance standard before mass production. IP performance should be verified under agreed assembly conditions, because the screw and the product housing work as one sealing system.

Recommended inspection items

  • Thread size, head diameter, head height, total length, and sealing area dimensions.
  • O-ring position, sealant coverage, sealing material thickness, and visible defects.
  • Torque stability and whether sealing material shifts during tightening.
  • Waterproof test after assembly, especially for outdoor lamps, instruments, and meters.
  • Corrosion resistance, passivation quality, burr control, and packaging protection.

Anzhikou has passed ISO9001:2015 quality system certification and has more than 200 sets of precision equipment, so we can support customized waterproof screw production with stable process control and practical inspection standards.