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An assortment of black zinc hex jam nuts from Hillman. Jam nuts are low-profile nuts that are half as tall as a standard hex nut. They can be used in places where standard nuts might not fit or to secure items to a fastener without applying force to that object. This assortment features hex jam nut variants including many common coarse USS and fine SAE standard screw thread types. Full assortments of #38650 contain eight (8) refills comprised of Hillman item numbers #38651 - #38658.
- Jam nuts are often used when a nut needs to be locked into place without clamping against another object
- Jam nuts can also be used in situations where a threaded rod must be rotated
- Parts are made of high-strength steel
- Parts are black zinc-plated for improved corrosion resistance
