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Anti-Loosening Waterproof sealed fastening of threaded holes

Compact Torx Cylinder Head Assembly Screw with Pre-Applied A

MaterialHigh-strength alloy steelSurface 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 pre-applied adhesive sealing bolt is precision cold-headed, with a special leak-proof sealing adhesive pre-coated on the thread; after tightening, the adhesive layer fills the thread gap under pressure, simultaneously providing mechanical locking and thread-gap sealing that is waterproof and leak-proof. With good media resistance, it adapts to oil, water and coolant environments, eliminating additional sealing elements and assembly steps.

Technical Features
The pre-applied sealing adhesive is compressed to fill the thread gap; the thread joint is waterproof and leak-proof (verified by testing with actual medium and pressure)Locking and sealing in one step, simplified assemblyGood media resistance, suitable for oil, water and coolantNo assembly angle limits, the threaded hole itself is the sealing surfaceHigh-strength alloy steel body, load-bearing unaffected
Applications
NEV battery packs and power electronicsOutdoor cabinets and charging equipmentPumps, valves and hydraulic manifold blocksFloor scrubbers and outdoor luminaires

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 Cold heading
Surface treatment Black oxide / zinc plated / zinc-nickel alloy (optional)
Standard Thread GB/T 196, GB/T 197 (ISO 965-1) 6g; mechanical properties GB/T 3098.1 (ISO 898-1); pre-applied sealant per corporate standard; sealing performance determined by actual testing with the customer's media and pressure
Typical application Waterproof sealed fastening of threaded holes

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 pre-applied adhesive sealing bolt (good medium resistance, suitable for oil, water and coolant) 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.

Q2In which applications is the pre-applied adhesive sealing bolt (good medium resistance, suitable for oil, water and coolant) used?

Typical applications listed in the product description on this page: new energy battery packs and power electronics; outdoor cabinets and charging equipment; pumps, valves and hydraulic manifold blocks; floor scrubbers and outdoor luminaires. Overview: the pre-applied adhesive sealing bolt is precision cold-headed, with a special leak-proof sealing adhesive pre-coated on the thread; after tightening, the adhesive layer fills the thread gap under pressure, simultaneously providing mechanical locking and thread-gap sealing that is waterproof and leak-proof.

Q3What manufacturing process is used for the pre-applied adhesive sealing bolt (good medium resistance, suitable for oil, water and coolant)?

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

Q4What are the main features of the pre-applied adhesive sealing bolt (good medium resistance, suitable for oil, water and coolant)?

Features listed in the product description on this page: the pre-applied sealant fills the thread gap under pressure, making the thread gap waterproof and leak-proof (verified by media and pressure testing); locking and sealing are completed in one step, simplifying the assembly process; good media resistance, adapting to oil, water and coolant; not limited by assembly angle — the tapped hole itself is the sealing surface.

Q5How should the sealing element material be chosen for the pre-applied adhesive sealing bolt (good medium resistance, suitable for oil, water and coolant)?

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 “Pre-applied adhesive sealing bolt (good media resistance, suitable for oil, water and coolant)”.)

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