Structural Nuts

"Leading Manufacture for Domestic Heavy Hex Nuts"

Unytite is one of the leading manufacturer of structural bolts and nuts. Unytite manufactures all structural product using only the highest rated material, melted and processed exclusively in the United States of America.



Heavy Hex Nuts

Heavy hex nuts are generally specified for high temperature or high pressure applications. Heavy hex nuts are known as one of the strongest nuts in the industrial market and thicker across flats than finished hex nuts of the same sizes. 

ASTM A563 DH Heavy Hex NutNuts

  • Size: 1/2"-2"
  • Finish: Plain/Black, Mechanical Galvanized, Hot Dip Galvanized

ASTM A563 DH3 Heavy Hex Nut

  • Size: 5/8"-2"
  • Finish: Plain/Black

ASTM A194 Heavy Hex Nut

  • Size: 5/8"-2"
  • Finish: Plain/Black, Hot Dip Galvanized


Name & Trademark

Our company name, UNYTITE, is a compound word consisting of UNY and TITE which stands for the Latin word UNI, and the English word TIGHT. Thus, it means "to unite tightly" and symbolizes the concept behind the fastener.

logo-symbol-only-2014-smOur trademark consists of the letters U and T in a hexagonal nut and bolt design which symbolize both our products and the two parts of our company name. The disposition of the U and T expresses in the abstract the Sky and the Earth, Male and Female, Water and Fire. It symbolizes the idea that two objects of opposing nature can unite and bear new creation.

If you have questions or need support to place an order, call us at:



e-mail [email protected]