I have used JB Weld for decades but have now switched to this stuff, incredibly strong:

https://www.zoro.com/loctite-adhesive-cyanoacrylate-08-oz-gel-2267079/i/G3375333/feature-product?gclid=EAIaIQobChMIpInyyN662wIVyjyBCh2TJQgWEAYYAyABEgJ2D_D_BwE

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