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Anti-Loosening Sealed threaded connections for repeated assembly and removal

Magnetic Expansion Sealing Plugs

MaterialHigh-strength alloy steelSealing and conditionsIP68Surface treatmentBlack oxide / zinc plated / zinc-nickel alloy
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Product description

Compiled from the existing technical description of this product on this site

The IP68 O-ring sealing nut features a precision integrated groove design with a built-in high-performance fluororubber O-ring. When tightened, the sealing ring is highly compressed and fills the gap between mating surfaces, creating a two-way hydraulic seal rated IP68; the nut body also offers excellent vibration-resistant self-locking performance and corrosion resistance, making it suitable for sealed connection points that are repeatedly disassembled and reassembled.

Technical Features
The integrated recess embeds a fluororubber O-ring for stable sealingIP68 bidirectional sealing against hydraulic pressureFluororubber resists heat and media, suitable for oil and high-temperature environmentsGood vibration resistance and locking, can be repeatedly assembled and removedHigh-precision groove machining, the O-ring resists extrusion
Applications
Hydraulic and pneumatic manifold blocksNEV battery pack enclosuresFluid lines and valve bodiesOutdoor waterproof equipment

Specifications

The parameters listed on this page are subject to final inspection and the applicable standards; items not listed follow the customer drawing or the order agreement and are not committed by default.

Material High-strength alloy steel
Surface treatment Black oxide / zinc plated / zinc-nickel alloy (optional)
Sealing and conditions IP68
Standard Hex nut GB/T 6170 (ISO 4032); O-ring GB/T 3452.1; sealing rating IP68 (IEC 60529)
Typical application Sealed threaded connections for repeated assembly and removal

Spec lookup

Based on your operating conditions, look up directly among the 15 models in this series — pure front-end filtering, no redirects, no URL changes

Filter results are based on the specification fields published on each model page and are for preliminary screening only; the final selection must be confirmed in light of the actual load, plate thickness and assembly process.

Drawings & customization

No public catalogue is available for this series; drawing-based requests are handled per project.

2D

Made to drawing / sample replication

A 2D drawing or a physical sample is enough for evaluation; once confirmed, we issue drawings, build samples and obtain first-article approval before volume production. Drawings and project information are handled under confidentiality requirements.

Submit drawing request

Manufacturing process

The usual process route for this product family; actual operations follow the drawing and order requirements.

  • Body formingCold heading or turning
  • Sealing structureO-ring groove / face seal / expansion structure
  • Seal assemblyO-ring, pre-applied adhesive or steel ball assembly
  • Airtightness and watertightness sampling inspectionSampling inspection by sealing class
  • Surface treatmentZinc-plated / passivated / anodised

Capacity & delivery

Taken from the company's published capacity and certification information; no unverified claims are included.

6.5100M pcs/monthCombined monthly capacity of the Shenzhen and Xiangyang (Hubei) dual bases
As fast as 1-day prototypingFast prototyping channel after drawing or sample confirmation
26patentsPatents for fastening structures and assembly processes
3system certificationsIATF 16949 / ISO 9001 / ISO 14001

FAQ

Material, standards, surface treatment and installation points for this model; the data comes from the specification table on this page and from the national standards cited in the answers.

Q1What material is the IP68 O-ring sealing nut made of? What strength level does it reach?

Marked in the specification table on this page: material is high-strength alloy steel. Material certificates and mechanical property test reports can be supplied with the goods; batch acceptance follows the data above.

Q2To which standard is the IP68 O-ring sealing nut produced and inspected?

Standards stated in the specification table on this page: hexagon nuts GB/T 6170 (ISO 4032); O-rings GB/T 3452.1; ingress protection IP68 (IEC 60529). Dimensional inspection reports can be provided with the goods; batch acceptance is carried out in accordance with the above standards and the drawings agreed by both parties.

Q3What surface treatments are available for the IP68 O-ring sealing nut? How to choose?

The specification table on this page lists surface treatments: black oxide / zinc plated / zinc-nickel alloy (optional). Different coatings differ in appearance, corrosion resistance and cost; choose according to the service environment and order agreement.

Q4In which applications is the IP68 O-ring sealing nut used?

Typical applications listed in the product description on this page: hydraulic and pneumatic manifold blocks; new energy battery pack housings; fluid piping and valve bodies; outdoor waterproof equipment. Overview: the IP68 O-ring sealing nut features a precision integrated groove design with a built-in high-performance fluororubber O-ring. When tightened, the sealing ring is highly compressed and fills the gap between mating surfaces, creating a two-way hydraulic seal rated IP68;

Q5How should the sealing element material be chosen for the IP68 O-ring sealing nut?

Select according to the sealing medium, temperature and compression set requirements: nitrile rubber (NBR) is common for mineral oils, fluororubber (FKM) withstands high temperatures and chemical media, and silicone rubber offers good elasticity at low temperatures. O-ring sizes are selected per the GB/T 3452.1 series; avoid scratching and excessive stretching during assembly. (Applies to this model “IP68 O-ring sealing nut”.)

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