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557959031018
5/16-18 Regular Square Nut, Stainless Steel (18-8).

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  • UM: C
  • Weight: 0.0181
  • Square nuts are a four-sided nuts. Compared to standard hex nuts, square nuts have a greater surface in contact with the part being fastened, and therefore provide greater resistance to loosening. They are also much less likely to become rounded-off after repeated loosening/tightening cycles.

Similar to NSQ5/16-18SS

Product Specifications
Diameter 5/16"
Thread Pitch 18
Head Wd. 9/16"
Height .283"