Click on image for the Harbor Freight link Where: Harbor Freight
Price: $99.99
I have done what seems like 1000 hours of plastics repairs. Using my trusty Polyvance Mini-Weld Model 6, I've melted a mound of ABS welding rod, saving countless fairings and brackets. It's not technically difficult but between the prep, welding and finishing for paint, there's a time commitment. But the results are very satisfying, giving new life to an original part that hasn't been available for 20+ years.
I've relied on heating/melting, very much like metal welding, but there's a newer technology using metal staples that not only joins a gap but provides a mechanical support (the staple) between the parts — seems like a great solution. I've improvised a similar approach using thin nails or stiff wire for added support, but the staples would have been more elegant and effective.
Here, Harbor Freight is offering their version, which seems very complete and has the bonus of being cordless. This kit does both staples and traditional heat welding, which you'll want to complete the repair; the staples would be applied to the backside of a crack and then the crack heat welded, finishing with a heat weld to the front side. If I were just getting into plastics repair, I'd certainly want this technology.
For much less money Harbor Freight also offers the alternative kits shown below, suitable for small or occasional jobs. Amazon and eBay also offer many name- and off-brand kits.

























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