Blind rivets (or blind rivets) have become an indispensable fastener in automotive repair, especially when working with body panels, plastic bumpers and aluminum parts. Their main advantage is the ability to create a strong connection without access to the back side of the material, which is critical when repairing closed cavities or hard-to-reach places. However, improper use often results in loose fittings, damaged materials, or even corrosion at the installation sites.

In this article we will analyze not only the basic technique of working with blind rivets, but also the nuances that even experienced craftsmen usually miss. You will learn how to choose the correct diameter and length of the rivet for a specific material (steel, aluminum, plastic), which tools are really necessary, and which you can do without. We will pay special attention to typical mistakes - for example, why a rivet GOODBEST or Gesipa may “shoot” during installation and how to avoid this. We will also provide a comparative table of popular brands and their features, which will help you save on consumables without losing quality.

What are blind rivets and where are they used in auto repair?

A blind rivet is a two-component fastener consisting of hollow rod (bodies) and core, which is pulled out with a special tool (rivet gun). When pulled, the core deforms the body of the rivet, forming a “head” on the reverse side of the material. This process is called riveted and provides a permanent connection.

In automotive repair, blind rivets are used for:

  • 🚗 Body panel fastenings (sills, arches, hood) - especially relevant when restoring after an accident, when welding is impossible or undesirable.
  • 🔧 Installation of plastic elements (bumpers, fender liners, body kits) - rivets with a wide head prevent the plastic from being pressed through.
  • ⚡ Fixing electrical wiring and brackets — for example, when installing additional equipment (towbars, winches).
  • 🛠️ Repair of aluminum parts — rivets made of stainless steel or aluminum eliminate corrosion at the joints.

It is important to understand that blind rivets do not replace welding in critical components (for example, in the load-bearing frame of a body), but they are indispensable where required connection without thermal influence or access from one side only. For example, when attaching interior door or trunk panels, where welding could damage paintwork or electronics.

📊 How often do you use blind rivets in repairs?
Often (weekly)
Sometimes (once a month)
Nearby (a couple of times a year)
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Types of blind rivets: which ones to choose for your task

All blind rivets are divided into several types according to material, design and purpose. An error in choice can lead to the connection coming loose after a few months or the rivet simply not “sit” in the material. Let's look at the main types:

1. By material

  • 🔩 Steel (galvanized) - the most common and cheapest. Suitable for most applications, but require anti-corrosion treatment when used on exposed surfaces.
  • 🧲 Stainless steel (A2 or A4) — resistant to corrosion, ideal for working with aluminum or in conditions of high humidity (for example, attaching fender liners).
  • ♻️ Aluminum - lightweight and do not rust, but less durable. Used to connect aluminum panels (for example, in tuning).
  • 🔥 Monel (nickel and copper alloy) — for extreme conditions (high temperature, aggressive environments). They are rare and expensive.

2. By design

  • 🔄 Standard (open type) — the core is completely stretched, leaving a hollow body. The most versatile.
  • 🔒 Closed type (sealed) — the core remains inside, which prevents moisture from entering. Used for sealed connections (for example, fuel tanks).
  • 🛡️ With a wide hat - for soft materials (plastic, thin metal), so as not to press through the surface.
  • 🔗 Multi-Grip — suitable for joining materials of different thicknesses (for example, 2–6 mm). Convenient when accurate measurement is difficult.

Most often used for auto repair galvanized steel rivets with a diameter of 3.2–4.8 mm (for body work) and aluminum or stainless steel 4–6.4 mm (for plastic and aluminum). Brands Gesipa, GOODBEST and Rivnut are considered the standard of quality, but for one-time work you can use more budget options, for example, KING TONY or Yato.

How to distinguish a high-quality rivet from a fake?

Original rivets have smooth galvanization without chips, clear markings on the head (for example, “A2” for stainless steel) and uniform thickness of the body walls. Counterfeits often suffer from blunt edges of the core, which leads to incomplete riveting.

Necessary tools: what to buy for working with rivets

The minimum set for working with blind rivets includes riveter and nozzles for different diameters. However, for a professional result, additional equipment will be required. Let's figure out what you can do without and what you shouldn't save on.

1. Basic tool

  • 🔨 Manual riveter - Suitable for one-time work. Best models: Gesipa AccuBird (for professionals), KING TONY 95-003 (budget option).
  • ⚡ Pneumatic or battery riveter — for serial work (for example, in a car service). Examples: Gesipa PowerBird, Honsel QS-901.
  • 🔧 Nozzles (heads) - must correspond to the diameter of the rivets. The kit usually includes attachments for 3.2, 4.0, 4.8 and 6.4 mm.

2. Auxiliary tool

  • 📏 Caliper or ruler — to measure the thickness of the materials being joined (critical for choosing the length of the rivet).
  • ✂️ Drill and drill - for preparing holes. The diameter of the drill should be 0.1–0.2 mm larger than the diameter of the rivet.
  • 🧴 Anti-corrosion spray (for example, WD-40 Specialist) - for processing steel rivets after installation.
  • 🔍 Magnifier or endoscope — to control the quality of riveting in hard-to-reach places.

Tip: If you work with aluminum or stainless steel, avoid cheap riveters with plastic handles - they do not provide enough force for riveting hard materials. The best choice for auto repair is Gesipa AccuBird or Honsel QS-901 with adjustable tension force.

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Before purchasing a riveter, check whether it supports closed type rivets - many budget models only work with open ones.

Step-by-step instructions: how to install a blind rivet correctly

The technology for installing a blind rivet seems simple, but in practice, even experienced craftsmen make mistakes. Follow these instructions to avoid loose connections or material damage.

1. Surface preparation and marking

  • 🧹 Clean the surface of dirt, rust and paint at the installation site. Use a metal brush or drill attachment.
  • 📐 Apply the markings with a pencil or marker. Please note that the hole must be at least 10 mm from the edge of the material (otherwise the rivet may break out).
  • 🔍 Check the thickness of the parts being connected with a caliper. The length of the rivet must exceed the total thickness by 1.5–2 rod diameters (for example, for a 4.8 mm rivet and a material thickness of 5 mm, the minimum length is 14 mm).

2. Drilling a hole

  • 🔥 Use a drill from high speed steel (HSS) or with titanium coating. The diameter of the drill should be 0.1–0.3 mm larger than the diameter of the rivet (for example, for a 4.0 mm rivet - a 4.1–4.3 mm drill).
  • ⚠️ Do not drill at high speeds - this can melt plastic or deform thin metal. The optimal speed for steel is 500-800 rpm, for aluminum - 1000-1500 rpm.
  • 🧊 When drilling aluminum or stainless steel, use a lubricant (for example, WD-40) to avoid burrs.

3. Rivet installation

The hole is cleared of chips|The diameter of the rivet corresponds to the drill|The length of the rivet is selected according to the thickness of the materials|The rivet gun is adjusted to the desired diameter-->

Algorithm of actions:

  1. Insert the rivet into the hole so that the head fits snugly against the surface.
  2. Install the riveter attachment onto the core. Make sure the tool is perpendicular to the surface (misalignment will result in uneven riveting).
  3. Begin to pull out the core in a smooth motion. A manual riveter will require a force of ~20–40 kgf (depending on the diameter).
  4. After a click (signal of operation), continue to pull the core until it breaks. Do not release the riveter handle until the core comes out completely!
  5. Check the connection: the rivet should not rotate and the head should not move away from the surface.
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If the core breaks off, but the rivet does not unravel, it means that there was insufficient force or the diameter was incorrectly selected. In this case, the rivet must be drilled out and a new one installed.

Common mistakes and how to avoid them

Even experienced craftsmen sometimes encounter problems when working with blind rivets. Here are the most common mistakes and how to prevent them:

⚠️ Attention: If the rivet “shot” during installation (the core flew out, but the body was not deformed), never try to reuse it! Such a connection will be unreliable and may become loose after a few days.
Error Reason How to avoid
The rivet rotates in the hole Drill bit too large or worn rivet Use a drill bit 0.1mm larger than the rivet diameter. Check the quality of the thread on the body of the rivet.
The core breaks, but the rivet does not rivet Insufficient rivet force or dull core Check the instrument settings. For hard materials (stainless steel), use a riveter with a force of at least 50 kgf.
The rivet head presses through the plastic Too much force or wrong type of rivet Use rivets with a wide head (wide flange) and place the washer.
Corrosion around the rivet after a few months Using non-galvanized steel rivets in wet environments For exterior use, use stainless steel (A2) or aluminum rivets. Treat the installation site with an anticorrosive agent.
The rivet falls out after installation Insufficient rivet length or poor riveting The length of the rivet must exceed the thickness of the materials by 1.5 diameters. Make sure the core is fully extended.

Another common problem is rivet misalignment during installation. This happens if the riveter is not perpendicular to the surface. To avoid skew, use magnetic holder for rivets or special guide nozzles (for example, from Gesipa).

Brand comparison: which rivets and tools to choose

The quality of rivets and tools directly affects the reliability of the connection. We tested the products of five popular brands and compiled a comparison table based on key parameters.

Brand Price segment Pros Cons Recommendation
Gesipa Premium High quality metal, precise geometry, wide range Expensive (2–3 times more expensive than analogues) For professional use
GOODBEST Medium Good price/quality ratio, suitable for most tasks There are fakes The optimal choice for car services
Honsel Premium German quality, reliable riveters with force adjustment Difficult to find in small towns For mass production
KING TONY Budget Low price, suitable for one-time work Low quality metal, cores often break For temporary connections only
Yato Budget Availability, wide range Unstable quality (defective rivets are found) For home use

For auto repair we recommend GOODBEST or Gesipa — they provide predictable results and rarely fail. If your budget is limited, you can use Yato, but be sure to check each rivet before installation (especially the core for burrs).

⚠️ Attention: When purchasing rivets on the market or in non-specialized stores, the risk of running into a fake reaches 40%. Original rivets Gesipa or GOODBEST sold in sealed blisters with batch markings and a quality certificate.

Alternatives to blind rivets: when not to use them

Blind rivets are not a one-size-fits-all solution. In some cases, it is more appropriate to use other types of fasteners. Let's figure out when to give up rivets and what to use instead.

1. When NOT to use blind rivets

  • 🔥 For responsible power loads - for example, attaching suspension or safety elements. This requires welding or high-strength bolts.
  • 💧 In sealed systems (fuel tanks, radiators) - if 100% tightness is required, it is better to use closed type rivets or solder connection.
  • 🔄 For detachable connections — the rivet creates a permanent connection. If the part has to be removed, use bolts or screws.
  • 🧲 For magnesium alloys - Aluminum or steel rivets may cause galvanic corrosion. Here you need special rivets made of magnesium alloys.

2. Alternative types of fasteners

  • 🔩 Metal screws (with drill) — suitable for thin sheets (up to 2 mm). They are quick to install, but require anti-corrosion treatment.
  • 🔗 Bolts with nuts - for detachable connections. The downside is that you need a nut on the reverse side.
  • 🔥 Welding (spot or argon) - for maximum strength. Not suitable for aluminum without special equipment.
  • 🧲 Riveting with carbide rivets - for highly loaded connections (for example, Huck rivets). Requires special tools.
  • 🧹 Adhesive sealant (for example, 3M VHB) - for plastic panels. Does not withstand high temperatures.

Example: If you need to secure a plastic fender liner, a wide head blind rivet would be the best choice. But to attach the tow bar, it is better to use bolts and nuts - this will allow you to dismantle the structure if necessary.

FAQ: answers to frequently asked questions about blind rivets

Is it possible to remove a blind rivet and how to do it?

Yes, but it is a labor-intensive process. The most reliable way is to drill out the rivet with a drill 0.5–1 mm smaller than its diameter, and then knock out the remaining core. For aluminum or plastic panels, use a special rivet puller (e.g. Gesipa Blind Rivet Remover), so as not to damage the material.

Which rivet should I choose to attach the bumper?

Suitable for plastic bumpers aluminum or stainless steel rivets with a diameter of 4.0–4.8 mm with a wide head (for example, Gesipa Blind Rivet 4.8x12 mm). It is important to use rivets with sealing washerto prevent vibration and squeaks. An alternative is plastic rivet caps (for example, Hella), but they are less reliable under high loads.

Why does the rivet spin in the hole after installation?

This defect occurs for three reasons:

  1. The drill was too large in diameter - the rivet did not fit tightly in the hole.
  2. The material is too soft (for example, aluminum) - the rivet pushes through the walls of the hole.
  3. Poor quality rivet - the body of the rivet is deformed unevenly.

Solution: use a drill bit 0.1 mm smaller than the rivet diameter, place a metal washer under the head, or choose rivets with notches on the body (for example, Gesipa BOM).

Which riveter is better: manual or pneumatic?

The choice depends on the amount of work:

  • Manual riveter (for example, KING TONY 95-003) - suitable for one-time tasks. Pros: cheap, compact. Cons: requires physical effort, not suitable for rivets with a diameter of more than 6.4 mm.
  • Pneumatic or battery (for example, Gesipa PowerBird) - for professional use. Pros: high and stable force, suitable for serial work. Cons: expensive, requires a compressor (for pneumatics).

For auto repair, a manual riveter with a force of up to 50 kgf is optimal (for example, Honsel QS-901).

Is it possible to use blind rivets to fasten glass (windshield, headlights)?

No! Used for glass special rivets with rubber seals (for example, rivets for car windows from Sika) or glue (for example, 3M Windshield Urethane). Blind rivets do not provide a seal and can damage the glass during installation due to point pressure.