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Rivets · Trade series (edge-retaining panel clips) · Application guide

What Are Panel Clips and U-Clips Used For?

Typical applications, the industries that specify panel clips and u-clips, and how to choose the right size, material and finish for the joint.

Panel Clips and U-Clips are used for adding a captive thread or retaining point to a panel edge without reaching the rear face. They are manufactured to Trade series (edge-retaining panel clips), and selection is driven by the nominal size, the fit and tolerance the assembly requires, and the service environment.

Primary duty
Adding a captive thread or retaining point to a panel edge without reaching the rear face
Governing standard
Trade series (edge-retaining panel clips)
Nominal size range
0.05~0.10 in to 1.8~2.5 mm
Category
Rivets

Application notes are general engineering guidance. Verify the property class and any approval requirement against your own design calculation.

What Are Panel Clips and U-Clips Used For? application image

The primary duty of Panel Clips and U-Clips is adding a captive thread or retaining point to a panel edge without reaching the rear face. Below: the sectors that specify them in volume, the checklist used to select the right size and material for the application, installation notes, and the known limits of the type. Stocked across roughly 0.05 mm to 1.8 mm, they cover light-duty and instrument-scale work.

Typical Applications for Panel Clips and U-Clips

The most common settings where these are specified:

  • Automotive trim: U-clips retain sheet edges without a welded nut.
  • Appliance panels: Barbed clips provide a captive thread or edge grip on a formed panel.
  • Electrical enclosures: Different thickness bands cover common chassis sheet.
  • Bodywork repair: A clip restores a mounting point without replacing the panel.

How to Specify Panel Clips and U-Clips for Your Application

  • Size: Select on nominal size, and confirm it against the mating feature in the assembly. This product spans 0.05 mm–1.8 mm; check the full table below for the exact dimensions of each size.
  • Material: Choose the material and finish for the service environment — plated steel for general use, stainless for corrosion resistance.
  • Environment: For damp, coastal or chemical exposure prefer A4/316 stainless or a suitable coating; indoors, plated steel or A2 is usually sufficient.
  • Standard: This product is supplied to Trade series (edge-retaining panel clips). Quoting the standard on your order guarantees interchangeable dimensions between suppliers.

Installation & Assembly Practice

  • Drill the hole 0.1 mm over the nominal rivet diameter and deburr both sides before setting.
  • Grip range must match the total joint thickness — a rivet set outside its grip range clamps poorly and works loose.

Common Selection Mistakes with Panel Clips and U-Clips

  • Setting a rivet outside its grip range, which leaves the joint loose from day one.
  • Using aluminum rivets on steel sheet outdoors — galvanic corrosion eats the rivet.

Where Panel Clips and U-Clips Are Not the Right Choice

Not where the joint must later be disassembled, and not for high-tension structural connections.

Technical Drawing

Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.

Sends the selected values to the quote form below.

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The form below follows the current technical drawing configuration. Change the drawing values above and the request details update automatically.

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Specification
Business Information

Dimensions & Specifications (Trade series (edge-retaining panel clips))

Panel thickness / seriesLength (in or mm)Width (in or mm)Height (mm)Metal thickness (mm)Material
0.05~0.10 in11/32 in1/2 inblack-phosphate steel / silver steel
0.17~0.205 in7/16 in1/2 inblack-phosphate steel / silver steel
0.245~0.255 in3/8 in1/2 inblack-phosphate steel / silver steel
1.8 mm11.515.89.30.5silver steel
1.8~2.5 mm14.312.711.70.5silver steel
Inside the plant

Manufactured in our own plant

This part is cold-formed, threaded, heat-treated and finished in-house. The stages below are where its class and finish are actually decided.

  1. Wire rod feeding into a cold heading machine
    01

    Cold heading

    Wire rod is drawn to size and cold-formed into blanks. Forming rather than cutting keeps the grain flow continuous around the head, which is where a bolt is most likely to fail.

    Head dimensions and under-head radius checked at set-up and per shift.

  2. Thread rolling machine producing bolt threads
    02

    Thread rolling

    Threads are rolled between hardened dies rather than cut. Rolled threads are stronger in fatigue than cut threads and hold pitch and flank angle far more consistently across a batch.

    Go / no-go ring gauges to ISO 965 tolerance class 6g.

  3. Baskets of bolts staged for heat treatment
    03

    Heat treatment

    Quench-and-temper brings carbon and alloy steel to the property class ordered — 8.8, 10.9 or 12.9 — with the furnace charge tracked so a finished lot can be traced back to it.

    Core hardness and tensile tested per lot to ISO 898-1.

  4. Zinc plated bolts in a treatment basket
    04

    Surface treatment

    Zinc, zinc-nickel, hot-dip galvanizing, black oxide, phosphate and Dacromet, selected against the service environment rather than against the price list.

    Coating thickness and neutral salt spray hours to ISO 9227.

Frequently Asked Questions

Which industries use Panel Clips and U-Clips?

They are commonly specified in bodywork repair, automotive trim and appliance panels, among other sectors.

How do I choose the right size of Panel Clips and U-Clips?

Select on nominal size and on the fit the assembly requires. This product is available from 0.05 mm to 1.8 mm; the full dimension table on this page lists each size.

Can Panel Clips and U-Clips joints be taken apart?

No — rivets form a permanent joint and must be drilled out to remove. Use a bolt or screw where you need to disassemble the joint later.

What material should Panel Clips and U-Clips be for outdoor use?

For damp, coastal or chemical environments specify A4 (316) stainless or a suitably coated steel. For indoor or dry use, A2 (304) stainless or zinc-plated steel is normally adequate.

Can I get a quote for Panel Clips and U-Clips in the size and material I need?

Yes. Use the technical drawing and quote form on this page to set the size and options, then send the exact configuration to our team for pricing and lead time.