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Anti-loosening Low-pressure locking fastening for precision assembly

Torx Dual-Component Screw with Integrated Vibration Lock

MaterialHigh-strength alloy steelHead typePan headSurface treatmentBlack oxide / zinc plated
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Product description

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

The pan head flange preapplied adhesive lock screw assembly uses an integrated pan head flange to enlarge the contact area, while the preapplied adhesive layer on the thread provides chemical locking, suited to precision assembly points that require both low head pressure and vibration-resistant locking. The assembly arrives pre-riveted, eliminating the risk of omitting washers during installation.

Technical Features
Integrated pan head and flange: large contact area, low pressure under the headPre-applied thread adhesive for chemical locking and vibration resistanceThe assembly stays together, simplifying assembly stepsEven load distribution under the pan head, suitable for soft or thin-wall substratesHead diameter and thread length can be adjusted to drawing
Applications
Precision electronic equipmentPlastic housings and panelsAppliances and office equipmentSmall electromechanical products

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 Pre-applied adhesive
Head type Pan head
Surface treatment Black oxide / zinc plated (optional)
Standard Thread GB/T 196, GB/T 197 (ISO 965-1) 6g; mechanical properties GB/T 3098.1 (ISO 898-1); preapplied adhesive locking per corporate standard
Typical application Low-pressure locking fastening for precision assembly

Spec lookup

Use your own operating conditions to look up the 21 models in this series directly - front-end filtering only, no redirects, no address change

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.

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Manufacturing process

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

  • Body formingCold heading or turning
  • Anti-loosening structure machiningSerrated face, slotted, nylon patch or pre-applied adhesive
  • AssemblyScrew, washer and nut combined into one part
  • Heat treatmentQuenched and tempered metal body
  • Torque verificationSampling inspection of tightening and loosening performance

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 captive pan-head flange anti-loosening screw with pre-applied adhesive available in, and 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.

Q2Where is the captive pan-head flange anti-loosening screw with pre-applied adhesive used?

Typical applications listed in the product description on this page: precision electronic equipment; plastic housings and panels; household appliances and office equipment; small electromechanical products. Overview: the pan head flange pre-coated locking screw assembly uses an integral pan head flange to enlarge the contact area, while the pre-applied adhesive layer on the thread provides chemical locking. It suits precision assemblies that require both low pressure under the head and vibration-resistant locking. The assembly is pre-riveted at the factory, so there is no risk of a missing washer during assembly.

Q3What are the head type, drive and structure of the captive pan-head flange anti-loosening screw with pre-applied adhesive?

Specification table on this page: head type is pan head. Structural details per drawing.

Q4What manufacturing process is used for the captive pan-head flange anti-loosening screw with pre-applied adhesive?

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

Q5What is the locking principle of pre-applied adhesive parts such as the captive pan-head flange anti-loosening screw with pre-applied adhesive?

A viscoelastic adhesive layer is pre-applied to the threaded section. After the screw is driven in, the adhesive fills the gaps between the thread flanks and gives the thread pair continuous damping and adhesion, suppressing back-rotation. Residual locking capacity remains after re-assembly, but it decreases with the number of assembly cycles. The pre-application process follows the company standard; the thread is GB/T 196, GB/T 197 6g. (Applies to this model: “pan head flange pre-coated locking screw assembly”.)

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