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An assortment of metric zinc-plated square nuts from The Hillman Group. Square nuts can be used in a channel or welded into place. Square nuts have a greater surface in contact with the part being fastened and therefore provide greater resistance to loosening. Variants included in this assortment range from M4-0.70 to M10-1.50 in coarse thread sizes. Full assortments of #39421 contain five (5) refills comprised of Hillman item numbers #39422 - #39426.
- Can be used as a blind nut in furniture manufacturing
- Use with flat washers to avoid damage from sharp square edges
- Typically mated with square-head bolts
- Included variants range from M4-0.70 to M10-1.50 in coarse thread sizes
