6 Best Rivet Nuts For Adding Attachment Points To Van Walls

Van walls are notoriously thin and unforgiving, turning the simple act of mounting a cabinet or a tie-down point into a structural puzzle. Without a solid anchor, fasteners eventually vibrate loose, leaving behind enlarged, ugly holes and rattling panels that grate on the nerves during long drives. Rivet nuts, or rivnuts, provide the professional-grade threaded insert needed to turn that hollow sheet metal into a rock-solid mounting surface.

08/23/2026 08:52 pm GMT

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Astro 1442 Kit: Best All-In-One Starter Set

For those embarking on a first van conversion, the Astro 1442 is the gold standard for convenience. It includes a heavy-duty hand tool and a diverse assortment of metric and SAE rivets, eliminating the need to hunt down individual parts during a build.

This kit is designed for the builder who values a complete, ready-to-use solution over sourcing components separately. The leverage provided by the tool makes setting even steel rivets manageable without excessive physical strain. If the goal is a comprehensive kit that covers almost every standard mounting need in one box, this is the definitive choice.

Glarks Steel Rivnuts: Best for Heavy Loads

When mounting overhead cabinets, bed frames, or heavy battery banks, steel is the only reliable choice. Glarks offers a high-strength steel set that resists the shearing forces common in a moving vehicle.

Steel provides the necessary tensile strength that lighter materials simply cannot match under sustained vibration. While these require a bit more force to compress, the trade-off is a secure, structural connection that will not strip out under heavy load. If the intent is to anchor anything that carries significant weight, prioritize this kit to ensure long-term structural integrity.

Bollhoff Plusnut: Ultimate Grip for Thin Metal

Standard rivnuts sometimes struggle in the thin, flimsy sheet metal found in modern van pillars and cavities. The Bollhoff Plusnut solves this by utilizing a slotted design that expands behind the material like a drywall anchor, distributing pressure over a wider surface area.

This unique configuration creates a much stronger hold in irregular or thin-gauge metal where a standard rivet might spin or pull through. It is an essential item for van builders working with late-model cargo vans that often feature high-strength, thin-walled steel. For critical connections in questionable mounting spots, the Plusnut is the superior, if slightly more expensive, solution.

Hillman Stainless Steel: Best for Rust-Proofing

Van builds often deal with condensation, leaking roof vents, and salt-air exposure, all of which act as catalysts for corrosion. Stainless steel rivet nuts are the primary defense against rust streaks forming around your mounting points.

While stainless steel is more difficult to set than aluminum—due to the material’s inherent hardness—the payoff is a permanent, corrosion-resistant anchor. If the project involves exterior mounting points or fixtures in damp areas like kitchens or bathrooms, choose stainless. It is a one-time investment that prevents the headache of rusted-out fasteners years down the road.

Sherex CAL Series: Premium Performance Option

The Sherex CAL series represents the professional’s choice for precision and reliability. These are engineered to tighter tolerances than generic hardware, ensuring that bolt threads engage smoothly and securely every single time.

This series is ideal for builders who have experienced the frustration of cheap threads stripping or rivet bodies collapsing prematurely. While they command a premium price, the consistency of these inserts prevents the costly mistake of ruining a panel by having a fastener fail during installation. If the budget allows for top-tier hardware, Sherex is the gold standard.

Amflo Aluminum Nuts: Best Lightweight Choice

For interior trim, wall paneling, or lightweight electrical conduits, aluminum rivnuts are often the smartest pick. They are soft enough to set easily with basic tools and provide plenty of holding power for non-structural items.

Aluminum is an excellent choice for builders who are concerned about total vehicle weight or who prefer an easier installation process. Because they are malleable, the risk of cracking the surrounding paint or metal during the setting process is significantly reduced. Use these for low-load applications where structural weight is not a factor.

Steel, Stainless, or Aluminum? Choosing Yours

Selecting the right material comes down to balancing structural load against environmental exposure. Steel is mandatory for load-bearing weight; stainless is non-negotiable for wet or exterior environments; aluminum is perfect for secondary attachments.

• Steel: Use for seat belts, heavy cabinets, or floor-mounted structures.
• Stainless: Use for exterior roof racks, solar mounts, or plumbing support.
• Aluminum: Use for wall panels, ceiling light mounts, and cosmetic finishes.

Always avoid mixing metals whenever possible, as this can lead to galvanic corrosion. Stick to the same material for your bolt as you choose for your rivet nut to maintain consistent performance.

How to Install Rivet Nuts Without Special Tools

While a dedicated pneumatic or hand-riveter makes the job fast, it is entirely possible to install rivnuts using a simple bolt, a nut, and two wrenches. Place a nut on a bolt, add a washer, slide the rivnut on, and then insert it into the hole.

As you tighten the nut against the washer, the bolt head pulls the rivet nut body tight against the sheet metal, effectively crushing it into place. Ensure the tool is kept perfectly square to the panel to prevent the rivet from leaning or distorting during the compression process. This “DIY tool” method is highly effective for those who only need to install a handful of fasteners and want to save on equipment costs.

Getting the Hole Size Right: A Crucial Step

The single most common cause of a failed installation is a hole that is too large. If the hole is even a fraction of a millimeter too wide, the rivet nut will spin in place instead of deforming properly.

Always check the manufacturer’s drill size recommendations—do not rely on “close enough” estimates. Use a stepped drill bit to achieve a clean, circular hole, as standard twist bits often leave ragged, triangular edges that prevent a tight fit. Investing in a high-quality drill bit will save hours of frustration and prevent ruined mounting points.

Common Rivnut Fails and How to Avoid Them

The most frequent failure is over-tightening, which strips the threads or causes the rivet body to collapse unevenly. Stop turning as soon as you feel significant resistance, as this usually indicates the rivet has fully formed its flange on the backside of the panel.

If a rivnut starts spinning after installation, it is usually because the hole was too large or the rivet was not properly seated. In these cases, it is often best to drill the rivet out, fill the hole, and relocate the attachment point rather than trying to fix a loose connection. Planning for placement carefully—ensuring you have enough clearance behind the panel—is the best way to prevent these issues before they start.

Properly placed rivet nuts are the hallmark of a professional-grade van build, bridging the gap between a fragile interior and a robust, road-ready home. By selecting the right material for the task and mastering the installation technique, you ensure that every attachment point remains as secure on year five as it was on day one.

Frequently Asked Questions (FAQs)

What is a rivet nut and how does it work in van walls?

A rivet nut is a tubular metal fastener with internal threads that expands from one side to create a threaded mounting point inside hollow van sheet metal. When compressed using a hand or pneumatic rivnut tool, the unthreaded body collapses against the backside of the van panel, clamping the metal tightly. Builders use them to bolt wood framing, electrical components, or bed rails securely without needing access behind vehicle panels.

What does grip range mean when buying rivet nuts for van walls?

Grip range refers to the total thickness of sheet metal that a specific rivet nut can securely compress against without stripping or under-flaring. Van sheet metal ribs are usually between 0.8 mm and 1.5 mm thick, while overlapping factory joints can exceed 3 mm. Choosing an insert with an incorrect grip range leads to loose fittings or damaged threads. Always measure the total material thickness with calipers before drilling.

How do you install rivet nuts into van sheet metal ribs?

Installing rivet nuts requires drilling a clean hole into the van rib, treating bare metal with primer, and collapsing the insert using a mechanical rivet nut tool. Use a stepped drill bit matched to the exact outer diameter of the rivet nut, such as 17/32 inch for 3/8-16 hardware. Apply rust-inhibiting paint to raw edges. Thread the rivet nut onto the tool mandrel, insert it flush against the wall, and squeeze the handles until firm resistance confirms full compression.

How do you remove a damaged rivet nut from a van wall?

Removing a damaged rivet nut involves drilling through the outer flange with a drill bit slightly larger than the fastener’s body until the collar pops off. Select a high-speed steel bit sized to match the insert’s outer diameter, place it directly into the center hole, and drill at low speed. Once the top rim separates, use a center punch and light hammer taps to push the remaining barrel inward. Retrieve the dropped piece with a telescoping magnet through a nearby access hole.

Are steel or aluminum rivet nuts better for camper van conversions?

Steel rivet nuts are generally better for camper van conversions because they offer significantly higher shear strength, pull-out resistance, and thread durability than aluminum equivalents. Zinc-plated steel resists vibration loosening and will not strip easily when securing heavy furniture like bed platforms and galleys. Aluminum rivet nuts compress with less hand effort and never rust, but their softer threads strip under high torque. For exterior accessories or ultra-light wall paneling, aluminum is acceptable, but interior structural framing demands steel.

How many rivet nuts are typically needed to frame a standard camper van?

Most camper van framing projects require between 75 and 150 rivet nuts to secure wall furring strips, ceiling supports, and cabinetry. A standard 144-inch wheelbase Sprinter or 148-inch Transit typically uses roughly 40 fasteners for wall ribs, 30 for ceiling supports, and another 30 for major furniture attachment points. Buying a bulk pack of 100 to 200 fasteners in common sizes like 1/4-20 or M6 provides spares for misfires and practice test holes.

Why do rivet nuts spin in van walls and how do you fix them?

Rivet nuts spin in van walls when the drilled hole is oversized, the insert was under-crimped during installation, or a bolt was over-torqued. Knurled or ribbed outer bodies help prevent rotation compared to smooth bodies. To fix a spinning insert, thread a bolt with a greased washer and locking nut into the thread, hold the bolt head stationary with a wrench, and tighten the nut to pull the insert tighter against the sheet metal.

Are rivet nuts strong enough to safely hold heavy upper cabinets in a camper van?

Properly installed steel rivet nuts easily support heavy upper camper van cabinets when fastened directly into factory metal ribs. A single 1/4-20 or M6 grade 5 steel rivet nut delivers over 1,000 pounds of ultimate shear strength in thin automotive sheet metal. Distributing a cabinet’s weight across four to six mounting points ensures the assembly withstands road vibration and abrupt braking forces. Always bolt through structural van pillars rather than thin exterior skins.