5/8″ Locking Nut SS
In stock · Ships in 1–2 business days
$5.00
Universal dock hardware
5/8″ stainless locking nut. The nylon insert keeps the nut from backing off under vibration or wave cycling — the right choice for dock hardware that sees constant movement. Stainless construction for freshwater and marine use.
What you can expect.
Ships fast.
Most orders leave our Hudson, NH warehouse within 1 business day. Northeast addresses typically arrive in 1–2 days.
Built for the Northeast.
Commercial-grade hardware designed for winter storage and four-season water — shipping nationwide.
Real humans answer.
Dock specialists on the phone M–F 8a–5p and Saturday mornings. Never a chatbot.




