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Direct Assembly Long-term stable locking fastening for precision equipment

Torx Cylindrical Head P85 Lock Screw

MaterialHigh-strength alloy steelSurface treatmentBlack oxide / zinc plated
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Product description

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

The Torx socket cylindrical head P85 locking screw adds a Precote 85 (P85) chemical pre-applied threadlocking adhesive to the Torx socket cylindrical head design; after installation the adhesive cross-links chemically to form a strong lock. It combines the high torque transmission of the Torx recess with the reliability of chemical locking, and suits precision equipment where parts are rarely disassembled and the joint must stay stable over the long term.

Technical Features
Torx recess: high torque transfer and cam-out resistancePrecote 85 (P85) pre-applied chemical threadlocking, resistant to vibration-induced looseningPrecision cold heading + thread rolling, 6g thread toleranceNo on-site dispensing, clean and efficient assemblyAdhesive amount and position adjustable to drawing
Applications
Precision instruments and optical equipmentAutomotive electronics modulesIndustrial robots and automationPremium appliances

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
Drive Torx
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); drive ISO 10664; Precote 85 (P85) chemical pre-applied threadlocking adhesive
Typical application Long-term stable locking fastening for precision equipment

Spec lookup

Filter directly among the 13 models in this series by your operating conditions - 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.

  • Cold headingMicro head and shank forming
  • Thread rollingMicro thread machining
  • Heat treatmentStrength and toughness adjustment
  • Surface treatmentNickel plated / zinc plated / black oxide
  • Optical sorting100% inspection of dimensions and appearance

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 Cylindrical Head Lock Screw made of, and what strength level does it achieve?

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 surface treatments are available for the Torx Cylindrical Head Lock Screw, and how to choose?

Surface treatment marked in the specification table on this page: black oxide / zinc plated (optional). Each coating differs in appearance, corrosion resistance and cost; choose according to the service environment and order agreement.

Q3What applications is the Torx Cylindrical Head Lock Screw suitable for?

Typical applications listed on this page: precision instruments and optical equipment; automotive electronic modules; industrial robots and automation; premium appliances. Overview: the Torx socket cylindrical head locking screw adds a type 85 chemical pre-applied threadlocker to the Torx socket cylindrical head design; after installation the adhesive cross-links chemically to form a strong lock.

Q4What are the head type, drive and structure of the Torx Cylindrical Head Lock Screw?

Drive specified in this page's specification table: Torx. Structural details are subject to the drawing.

Q5What does the 6g thread tolerance of the Torx Cylindrical Head Lock Screw mean?

6g is the standard tolerance class for external threads (GB/T 197 / ISO 965-1). It defines the manufacturing tolerance range for the pitch diameter and major diameter, balancing smooth engagement against manufacturing economy; the mating internal thread is usually 6H. All threads in this series are inspected to 6g.

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