Precision Fasteners · Solution Provider · Established 2005
CNENDEESJAPTRU
Hot Search: Torx Screws Thread Inserts ZT68 Bolts Anti-loosening Precision Screws
Contact Us

Anti-loosening Locking for volume assembly of precision equipment

Torx two-piece screw assembly

MaterialHigh-strength alloy steelHead typeTorxSurface treatmentBlack oxide / zinc plated / zinc-nickel alloy
Get a quoteRequest spec sheet

Product description

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

The TORX two-part screw assembly pre-assembles the screw and the spring washer (or plain washer) into one unit, so the parts cannot drop off; it suits vertical or overhead assembly positions where washers are difficult to fit. The TORX recess transmits torque efficiently, and with the pre-applied thread adhesive or a sealing structure it provides locking while balancing assembly efficiency and joint reliability.

Technical Features
Two-part captive structure: the washer stays on the screw, suiting vertical and overhead installationTorx recess: high torque transfer and cam-out resistancePre-applied adhesive or a sealing structure can be selected to meet locking and water-protection needsConsistent assembly height for smooth automated feedingThe assembly configuration can be adjusted to drawing (spring washer / flat washer / serrated washer)
Applications
Precision electronic equipmentAutomated assembly linesEnclosure and cabinet panelsSmall 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
Drive Torx
Head type Torx
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); drive ISO 10664
Typical application Locking for volume assembly of precision equipment

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.

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
  • 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 Torx two-part screw 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.

Q2To which standard is the Torx two-part screw produced and accepted?

Standards marked 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); drive ISO 10664. Dimensional inspection reports can be supplied with the shipment; batch acceptance follows the standards above and the drawing agreed by both parties.

Q3Which surface treatments are available for the Torx two-part screw, and 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.

Q4Where is the Torx two-part screw used?

Typical applications listed in the product description on this page: precision electronic equipment; automated assembly lines; panels of enclosures and cabinets; small electromechanical products. Overview: the TORX two-part screw assembly pre-assembles the screw and the spring washer (or plain washer) into one unit, so the parts cannot drop off; it suits vertical or overhead assembly positions where washers are difficult to fit.

Q5What is the locking principle of pre-applied adhesive parts such as the Torx two-part screw?

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: “TORX two-part screw assembly”.)

Tel: 13560730094
WeChat QR Code
CNENDEESJAPTRU