6 Best Rivet Tools for Farm Implement Restoration
Explore the top 6 solid rivet tools for restoring vintage farm implements on a budget. Our guide covers essential, cost-effective options for your project.
You finally dragged that old sickle bar mower out of the weeds, a real gem from an era when things were built to last. The steel is good, but a few key joints are loose, held together by sheared, rusted solid rivets. This is where many restorations stop, but with the right tools, it’s just the beginning of bringing a piece of history back to work.
Disclosure: As an Amazon Associate, this site earns from qualifying purchases. Thank you!
Why Solid Rivets Matter for Vintage Implements
Solid rivets are the unsung heroes of vintage farm equipment. They weren’t used just because they were cheap; they were used because they are incredibly strong and resilient. A properly set hot rivet cools and shrinks, creating immense clamping force that pulls steel plates together. This tension, combined with the rivet’s shear strength, creates a joint that can withstand vibration and shock far better than a simple bolt and nut.
Some might be tempted to just drill out the holes and replace rivets with Grade 8 bolts. While that can work in a pinch for some applications, it fundamentally changes the way the joint handles stress. Bolts can loosen over time, especially in high-vibration equipment like a hay rake or a cultivator. Welding is another option, but welding old, often high-carbon steel can introduce brittleness around the joint, leading to cracks down the road.
Restoring with solid rivets maintains the original design integrity of the implement. It honors the engineering that went into it and ensures the repair will last for another generation. Doing it right means the machine can flex and work as it was intended, without you having to constantly check and tighten fasteners after a long day in the field.
Astro 4980: The Go-To Pneumatic Rivet Gun
When you’re setting more than a handful of rivets, a pneumatic rivet gun is your best friend. The Astro 4980 is a standout choice for the budget-conscious restorer. It’s essentially a slow-hitting air hammer designed specifically for driving rivets, delivering controlled, powerful blows that form the head without damaging the surrounding metal.
This tool bridges the gap between an unwieldy standard air hammer and a multi-thousand-dollar industrial setup. It has enough power to drive the 3/8" or 1/2" rivets common on implement frames, but it requires a decent air compressor to keep up. Plan on needing at least a 20-gallon tank with a compressor that can deliver 4-5 CFM at 90 PSI to work efficiently.
The real advantage of a dedicated rivet gun is consistency. Each blow is predictable, allowing you to form a uniform, strong head with a little practice. It makes the process faster and significantly easier, especially when you’re working alone and need one hand to hold the bucking bar and the other to run the gun.
Hanson Rivet Hammer Sets for Manual Riveting
Not everyone has a big air compressor, and sometimes you only need to replace one or two rivets in an awkward spot. This is where manual riveting shines, and a Hanson Rivet Hammer Set is the key. This tool is a hardened steel die, shaped to fit a rivet head, that you insert into a spring-loaded handle. You simply strike the handle with a heavy hammer.
Manual riveting is a skill that takes practice. It’s a dance between the force of your hammer swing and the resistance of the bucking bar on the other side. You learn to feel the rivet forming through the handle. It’s slower and more physically demanding, but it’s a perfectly viable method that requires no electricity or air hoses.
These sets are affordable and incredibly durable. Paired with a 3 or 4-pound engineer’s hammer, they allow you to make strong, permanent repairs anywhere on your property. For the hobbyist who only needs to fix a broken tine holder or re-secure a brace, a manual set is often the most practical and economical solution.
Aircraft Tool Supply Bucking Bar Starter Kits
The rivet gun gets all the glory, but the bucking bar does half the work. A bucking bar is a heavy, polished block of steel that you hold against the tail of the rivet. As the rivet gun hammers the factory head, the inertia of the bucking bar upsets the tail, forming it into a "shop head" or "bucked tail." A good bucking bar is non-negotiable.
Aircraft Tool Supply offers excellent starter kits that provide several bars of different shapes and weights. This is crucial because you’ll inevitably need to get into tight corners or around obstacles. A simple block shape might work for a flat frame rail, but a C-shaped or angled bar will be necessary for reaching rivets behind a gearbox or bracket.
The key is mass. A bar that’s too light will just bounce off the rivet, leading to a poorly formed head and a lot of frustration. You want a bar that feels heavy for its size. When you’re shopping, don’t just buy the cheapest one; invest in a kit that gives you options. The weight of the bar, not your muscle, is what forms the rivet correctly.
Cleveland Steel Tool Rivet Sets for Perfect Heads
The small, interchangeable die that fits into the end of your rivet gun is called a "rivet set." Using the correct set is the difference between a professional repair and a mangled piece of metal. Cleveland Steel Tool makes high-quality sets that are built to withstand the repeated impacts of riveting without deforming.
Most vintage farm implements use a standard round head (or button head) rivet. You must match your rivet set to the size and shape of the rivet head you are driving. For a 3/8" round head rivet, you need a 3/8" round head set. Using a set that’s too small will leave a ring mark on the head; too large, and it won’t drive the rivet effectively.
These sets typically have a .401 shank, making them compatible with most common air hammers and rivet guns, including the Astro 4980. Investing in a few common sizes (1/4", 3/8", 1/2") will cover the vast majority of repairs you’ll encounter on old plows, mowers, and cultivators. It’s a small expense that has a huge impact on the quality of your work.
Central Pneumatic Air Hammer for Rivet Setting
Many people already have a cheap air hammer from a place like Harbor Freight in their toolbox. The question always comes up: can you use it to set rivets? The answer is a qualified yes, but you need to understand the tradeoffs. A standard air hammer is not a rivet gun.
An air hammer hits much faster and with less force per blow than a dedicated rivet gun. Think of it as a mini-jackhammer. This can make it difficult to control and can work-harden the rivet if you take too long to form the head. It’s also incredibly loud. However, if you already own one and only have a few small rivets to set, you can get the job done.
To use an air hammer, you’ll need the correct rivet set (with a .401 shank) and a feather-light touch on the trigger. It’s best for smaller rivets (1/4" or less) in non-structural locations. For critical frame repairs, it’s worth investing in the proper tool, but for reattaching a toolbox bracket or a sheet metal guard, the air hammer you already have can work.
Neiko Center Punch Set for Removing Old Rivets
Before you can install a new rivet, you have to get the old, sheared one out. This is a job for a drill, but starting a drill bit on the rounded, hardened head of a rivet is nearly impossible without it wandering. A good set of center punches, like those from Neiko, is the essential first step.
The process is simple: use a hammer to strike a sharp center punch right in the middle of the old rivet head. This creates a small divot that will guide your drill bit, preventing it from skating across the workpiece and damaging it. A quality set will include several sizes, allowing you to make a small initial mark and then a larger one to perfectly center a bigger drill bit.
Once you’ve drilled through the head, you can use a hammer and a straight punch (or the old drill bit) to knock the remaining shank out of the hole. This simple, inexpensive tool set protects your equipment from damage and makes a frustrating task much more manageable. Don’t even think about starting a rivet removal job without one.
Malco RC7 Rivet Cutter for Sizing Your Stock
Solid rivets are sold in standard lengths, but you’ll rarely find the exact size you need for your specific repair. The proper length is critical for a strong joint. The rivet shank should protrude through the metal by a length equal to about 1.5 times its diameter. Any less, and you won’t have enough material to form a good shop head. Any more, and the rivet will bend or fold over.
The Malco RC7 Rivet Cutter is a simple, powerful hand tool designed for this exact purpose. It provides a clean, square cut without the heat or mess of an angle grinder. You simply insert the rivet and squeeze the long handles. It’s a bit like a small bolt cutter but with jaws designed to cut rivets cleanly.
This tool saves an immense amount of time and guesswork. You can measure the thickness of your material, add the required 1.5x diameter, and cut a perfect-length rivet every time. This consistency is key to producing strong, uniform joints across your entire repair project. For anyone planning to do more than one or two rivets, a dedicated cutter is a worthwhile investment.
Restoring old farm implements is about more than just making them functional; it’s about preserving a piece of agricultural heritage. With a modest investment in these key tools, you can confidently tackle solid rivet repairs the right way. You’ll be rewarded with a safe, durable machine that’s ready for another lifetime of work, held together with the same strength and integrity it had the day it left the factory.
