3/16" Round Female Standoffs
3/16" round female standoffs are cylindrical threaded spacers with tapped bores on both ends, designed to maintain a precise 3/16" separation between PCBs, panels, and chassis assemblies. The round body keeps the cross-sectional diameter small, making these standoffs well-suited for high-density PCB layouts and compact enclosures where the wider profile of a hex standoff would create clearance issues.
These standoffs are used in consumer electronics, instrumentation, and production assemblies where a low-profile, compact hardware footprint is important alongside precise height control.
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What Are 3/16" Round Female Standoffs?
Round female standoffs are threaded on both ends without a pass-through male post, providing a fixed height between a PCB and a mounting surface or between two panels. The cylindrical body occupies less lateral space than a hex standoff at the same thread size, which matters in dense board layouts where adjacent components or fasteners are closely spaced.Male-female standoffs are better for board stacking, where the male post allows sequential vertical assembly. Unthreaded round spacers are the simplest option when a bolt or screw passes through a clearance hole in the body rather than threading into it.
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Key Features
- Cylindrical body for a compact, low-profile form factor
- Smaller body diameter than comparable hex standoffs
- Female-female threading accepts screws on both ends
- 3/16" body length for controlled, precise spacing
- Available in nylon, aluminum, brass, and stainless steel
- Nylon provides electrical insulation for PCB-sensitive assemblies
Applications
3/16" round female standoffs are found in a wide range of compact and high-density assembly applications:- Compact PCB mounting in high-density enclosures
- Panel-to-panel spacing in consumer electronics and instrumentation
- Low-profile board stacking where hex body width causes clearance conflicts
- RF shield mounting with tight lateral clearance requirements
- Prototyping and evaluation board builds
Selection Guidance
- Round vs. Hex Body: Round standoffs have a smaller outer diameter than hex standoffs at the same thread size. This is an important advantage in dense PCB layouts where cross-body clearance is limited. Choose hex bodies where wrench tightening or anti-rotation performance is a priority.
- Standoff vs. Spacer: Round female standoffs are threaded and require fasteners at each end. Unthreaded round spacers are appropriate when a bolt or screw passes through a clearance hole in the body, providing height separation without thread engagement.
- Material Selection: Nylon is a reliable insulating option for PCB applications. Brass is better for high-cycle assemblies with frequent disassembly. Stainless steel suits corrosive or high-strength applications.
- Measuring Spacing: The 3/16" body length is the standoff's spacing contribution. Calculate total assembly height by adding PCB thickness and hardware dimensions.
