Alera ALECASTERST2 dual-wheel hooded casters B stem 2" black 5/set 100 lb hardware
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Tubular rivet with a truss head and tip hole that lowers the force required for installation
The MIDWEST FASTENER 61874 is a steel tubular rivet with a truss head measuring 3/16 in diameter and 1/4 in length. It suits repair tasks where a permanent mechanical joint is required. The hollow tip reduces the force needed to form the shop head during installation. Buyers needing solid rivets or larger diameters should look elsewhere.
The tubular design allows the shank to roll outward with less applied force than a solid rivet of the same dimensions. This lowers the effort for manual or light power tools during sustained assembly work. The steel body maintains its shape through the rolling process without cracking. Installations demanding very high shear strength may require a different fastener style.
The joint relies on the rolled tubular end clamping the materials together. Material thickness must allow the shank to protrude enough for a full roll. The 1/4 in length restricts the maximum grip range to thin sections. Applications needing longer grip lengths or higher clamp loads will not be served by this size.
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| Product | |
|---|---|
| Brand name | MIDWEST FASTENER |
| Product type | Rivets |
The hole at the tip reduces the force needed by allowing the tubular portion to roll outward during application.
You need a rivet setter or peening tool suited to the 3/16 inch diameter to flare the tubular end.
Steel rivets can cause galvanic corrosion when joined to aluminium, so use a barrier or choose aluminium rivets instead.
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