Standoff Hardware(402)

A standoff is a small fastener that creates a fixed gap between two parts. It’s commonly used to:

• Mount signs and panels: Sign standoff screws hold acrylic or glass off the wall for a clean, floating look.
• Support electronics: PCB standoffs separate circuit boards from cases or other boards for airflow and to avoid shorts.

On this page, you’ll see metal standoffs with a cap and barrel for signage, plus hex brass and nylon spacers for electronics. Sizes are listed by diameter and length (for example, 5/8 in x 2 in or 19 x 25 mm), allowing you to choose the look and clearance you need.

They both create space, but they’re used a bit differently:

• Spacers: Often smooth and unthreaded (like nylon round pillars). They slide over a screw/bolt to set a gap. Great for insulating or simple stacking.
• Standoffs: Typically threaded (male/female or female/female), or have a cap-and-barrel design for signs. They actively fasten parts together while maintaining a set distance.

For signage, look for decorative standoff screws with caps. For PCBs and electronics, brass hex or nylon threaded standoffs help set height and keep boards secure. Material choice affects appearance and corrosion resistance; check product details to match your environment and hardware.

That two-number format usually describes the standoff’s diameter x length:

• Diameter (19 mm): The outside width of the cap/barrel. It affects the look and how much surface area supports the panel.
• Length (25 mm): The barrel length or projection from the mounting surface (how far the panel stands off).

You may also see imperial versions like 5/8 in x 2 in with the same meaning. Some listings include a clamping range (e.g., 0–8 mm), which indicates the panel thickness the hardware can hold. For hole size and exact fitment, refer to the specific product’s dimensions since designs can vary.

Consider both appearance and fit:

1. Panel thickness: Match it to the product’s clamping range so the caps can tighten properly.
2. Stand-off distance: Pick a barrel length that gives the depth you want off the wall (e.g., 25–50 mm).
3. Diameter and finish: Larger diameters make a bolder look; finishes like brushed silver or black help match your space.
4. Hole requirements: Check the listing for the required hole diameter in the panel.
5. Mounting surface: Choose anchors compatible with your wall material and the fastener size.

For damp or high-traffic areas, look for corrosion-resistant materials and finishes. Avoid overtightening to help reduce the risk of cracking.

Pick standoffs based on thread size, height, and insulation needs:

• Brass hex standoffs (M3/M4): Common for boards; available male–female or female–female to match your screws.
• Nylon spacers/standoffs: Lightweight and non-conductive, helpful for insulating and reducing the risk of shorts.
• Height: Choose a length that clears components and allows airflow. Sets often include multiple lengths.
• Thread match: Ensure the standoff threads and included screws match the board’s mounting holes.

Some designs are double-headed or self-clinching for specific applications. Tighten only as needed to avoid damaging the board, and consider washers where appropriate. Checking the product’s dimensions can help you select a stable, compatible setup.