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Anti-Loosening Sealed fastening for high-pressure water immersion and dusty environments

IP68 O-Ring Sealing Bolt

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 bolt uses a precision under-head groove process with a high-performance sealing O-ring fitted, allowing thread connection and fluid isolation to be completed simultaneously. The product passes IP68 waterproof and dustproof testing and is unaffected by high-pressure water immersion or dusty environments; precision thread fit and anti-corrosion coating keep the seal reliable even after repeated disassembly and reassembly.

Technical Features
Precision under-head recess embeds an O-ring for high sealing accuracyPasses IP68 waterproof and dustproof testingReplaceable O-ring, supports repeated assembly and removalPrecision thread fit with controllable preloadAnti-corrosion coating improves long-term corrosion resistance
Applications
NEV battery packsOutdoor EV chargers and telecom equipmentFloor scrubbers and cleaning equipmentWater pumps and hydraulic manifold blocks

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
Process Under-head groove process
Surface treatment Black oxide / zinc plated / zinc-nickel alloy (optional)
Sealing and conditions IP68
Standard Thread GB/T 196, GB/T 197 (ISO 965-1) 6g; mechanical properties GB/T 3098.1 (ISO 898-1); O-rings GB/T 3452.1; ingress protection IP68 (IEC 60529)
Typical application Sealed fastening for high-pressure water immersion and dusty environments

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 bolt 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.

Q2What manufacturing process is used for the IP68 O-ring sealing bolt?

The specification table on this page states the process as under-head recess machining. The process route follows drawing and order requirements; first-article approval is provided before volume production.

Q3What are the main features of the IP68 O-ring sealing bolt?

Features listed in the product description on this page: precision under-head groove fitted with an O-ring for high sealing accuracy; passes IP68 waterproof and dustproof testing; replaceable sealing ring supporting repeated disassembly and reassembly; precision thread fit with controllable preload.

Q4To which standard is the IP68 O-ring sealing bolt produced and inspected?

Standards stated in the specification table on this page: thread GB/T 196, GB/T 197 (ISO 965-1) 6g; mechanical properties GB/T 3098.1 (ISO 898-1); 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.

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

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 bolt”.)

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