Southern Nuclear 5/16-18 Hex Nuts

Marsoni

M251S

$119.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Southern Nuclear 5/16-18 Hex Nuts5 16 18 Stainless Steel Hex Nuts

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Louisville, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025

Verified Purchase

Michelle bullard