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The Thomas 516503 Disc Coupling Locknut is designed for use with Thomas DBZ/SN Series size 100 close coupled couplings. It features a #12-28 thread and is made from alloy steel, ensuring durability and reliability in mechanical applications.
This locknut is built to fit specific coupling models while providing strong fastening capabilities.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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