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Direct Assembly PCB spacing and support between boards

Stainless steel male-female hex standoffs (single-pass hex threaded standoffs)

MaterialStainless steel (SUS303 / SUS304)Surface treatmentNatural / passivated / nickel plated
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Product description

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

The stainless steel hex male-female standoff (also called hex single-pass stud, PCB spacer or motherboard support post) is a precision spacing fastener: one end is an externally threaded male stud, the other an internally threaded female blind hole, and the hex prism in between can be held with a wrench or socket for tightening. It establishes a stable spacing between circuit boards and supports the boards.

Technical Features
Coaxial male-female structure with one end locking the board and the other accepting a post, making stacked expansion easyThe hex prism can be held with a wrench for controlled tightening torqueThe internal thread is a blind-hole structure that stays hidden and does not scratch internal componentsStainless steel SUS303 / SUS304, corrosion-resistant and rust-freeLength, thread diameter and hex across flats can be customized to drawing
Applications
Board stacking in telecom and server equipmentIndustrial control mainboards and backplanesPower and inverter modulesInstrument and meter enclosures

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 Stainless steel (SUS303 / SUS304)
Surface treatment Natural / passivated / nickel plated (optional)
Standard Per customer drawing / corporate standard; thread: GB/T 196, GB/T 197; stainless steel bar: GB/T 1220
Typical application PCB spacing and support between boards

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 Stainless Steel Hex Male-Female Standoff (single-pass hex standoff) made of, and what strength level does it achieve?

Material specified in this page's specification table: stainless steel (SUS303 / SUS304). Mill certificates and mechanical property test reports can be provided with the shipment; batch acceptance follows the specifications above.

Q2What applications is the Stainless Steel Hex Male-Female Standoff (single-pass hex standoff) suitable for?

Typical applications listed on this page: telecom and server board stacking; industrial control boards and backplanes; power supplies and inverter modules; instrument and meter enclosures. Overview: the stainless steel hex male-female standoff (also called hex single-pass stud, PCB spacer or motherboard support post) is a precision spacing fastener: one end is an externally threaded male stud, the other an internally threaded female blind hole, and the hex prism in between can be held with a wrench or socket for tightening.

Q3What are the main features of the Stainless Steel Hex Male-Female Standoff (single-pass hex standoff)?

Features listed on this page: male and female coaxial structure, one end fastening the board and the other connecting a post, so stacking is easy to extend; the hex prism can be gripped with a wrench for controlled tightening torque; the internal thread is a blind hole, not exposed, so it will not scratch internal components; stainless steel SUS303 / SUS304 resists corrosion and does not rust.

Q4To which standards is the Stainless Steel Hex Male-Female Standoff (single-pass hex standoff) manufactured and inspected?

Standards marked in the specification table on this page: per customer drawing / company standard; thread GB/T 196, GB/T 197; stainless steel bar GB/T 1220. Dimensional inspection reports can be supplied with the shipment; batch acceptance follows the standards above and the drawings agreed by both parties.

Q5What does the 6g thread tolerance of the Stainless Steel Hex Male-Female Standoff (single-pass hex standoff) 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. (Applies to model "stainless steel hex male-female standoff (single-pass hex stud)".)

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