For most home jobs you want a hand riveter that takes standard blind rivets in 3.2mm (1/8in), 4mm and 4.8mm (3/16in) diameters. Buy one with a metal body and four interchangeable noses rather than the cheapest plastic-handled type, because a sloppy riveter pulls at an angle and leaves you with a bent mandrel and a loose joint. Expect to pay a modest amount for something that will last years.
If your work involves hundreds of rivets — a trailer floor, a boat trailer rebuild, a shed frame — a lazy tong riveter is worth the extra. It uses a concertina action so you squeeze in a natural motion instead of fighting a lever with one hand while the other hand wobbles. It is longer and awkward in tight corners, so most people keep both.
For 4.8mm stainless rivets, and for anything structural, a heavy-duty or air riveter becomes sensible. A cheap hand tool simply will not pull stainless reliably, and forcing it damages the tool.
Blind rivets are sized by the hole they sit in, not the rivet body diameter you can see. A 4mm rivet wants a 4.1mm hole — check the supplier's chart, because tolerances vary between aluminium and stainless. Too tight and you cannot insert the rivet; too loose and it will not clamp properly.
Keep drill speed low on metal, use a drop of cutting oil, and let the bit cut rather than spin. Almost all disappointing riveting starts with a ragged hole.
You cannot rivet a joint that moves. Before you pull a single rivet, the two pieces need to be aligned and held tight against each other, otherwise a gap opens up that the rivet cannot close.
Even a modest set of clecos in two sizes will transform the quality of your work. If you buy nothing else beyond the basics, buy these.
Rivets come in aluminium, steel, stainless steel and monel, in sealed and open varieties, and in dome, countersunk and large-flange heads. Plain aluminium is fine for light non-structural work and is the easiest to pull. Steel is stronger and cheaper than stainless. Stainless resists corrosion but is harder to pull and harder to drill out later.
Match the rivet to the material where you can. Aluminium rivets in aluminium sheet avoid a corrosion cell forming in damp conditions, which matters for vehicles, trailers and anything living outdoors. Use sealed rivets wherever water might sit, such as a wheel arch or roof repair, and large-flange or backing washers on thin or brittle material to stop the head pulling through.
Grip range is the other thing people get wrong. A rivet is designed to clamp a specific thickness range, printed on the box. Pick one that covers your joint thickness.
Riveting sends small, sharp, fast-moving objects in several directions. The mandrel snaps off and flies; drilling produces spirals of swarf that are excellent at finding the soft part of a hand. Safety glasses are non-negotiable, and a face shield is better for overhead work. Thin nitrile or cut-resistant gloves help with sheet edges and swarf, though take them off when you need fingertip feel.
A few extras earn their bench space:
Build the kit in that order — riveter, correct drill bits, clecos, sensible rivets, then safety and the small aids — and you will be able to tackle real repairs rather than just tidy jobs. Everything else you can add as a specific project demands it.
April 25, 2019 at 10:46 am
Take in the iconic skyline and visit the neighbourhood hangouts that you've only ever seen on TV. Take in the iconic skyline and visit the neighbourhood.
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Soldman Kell
April 25, 2019 at 10:46 am
Take in the iconic skyline and visit the neighbourhood hangouts that you've only ever seen on TV. Take in the iconic skyline and visit the neighbourhood.