USS All-Metal Top Lock Nut (5/16-18 Thread)
Description
An assortment of all-metal top lock nut variants from The Hillman Group. Lock nuts provide excellent resistance to loosening in high vibration applications. The full assortment includes USS coarse and SAE fine screw thread variants ranging 1/4" to 3/4" in diameter. Full assortment contains fourteen (14) refills comprised of Hillman item numbers #3344 - #3357.
Details
- Diam/Gauge: 5/16 in.
- Size: 5/16"-18
- Material: Metal
- Top nuts have a crowned top that is crimped to create a locking feature
- Capable of withstanding severe vibration and shock loads
- Variants range 1/4" to 3/4" in diameter
- Parts have a zinc-plated finish
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