Structural Fasteners
Heavy Hex Nuts & Washers

We offer a wide variety of heavy hex nuts and washers for use in structural grade and general purpose bolted connections.

nuts_imageA563 Heavy Hex Nut Grade DH  Heavy hex configuration, double-chamfered intended for general-purpose mechanical and structural use. Suitable for use with A325 and A490 heavy hex structural bolts 

  • Type 1, Plain Finish
  • Type 1, Mechanically Galvanized ASTM B695 Class 55 with standard blue dye lubricant
  • Type 1, Mechanically Galvanized ASTM B695 Class 55 with exclusive Clean-LubeTM lubricant
  • Type 1, Zinc/Aluminum (Dacromet) ASTM F1136
  • Type 3 (Weathering), Plain Finish

cleanlubenut_imageA563 Heavy Hex Nut Mechanically Galvanized Grade DH with Clean-Lube  Heavy hex configuration, double-chamfered intended for general-purpose mechanical and structural use. Suitable for use with A325 and A490 heavy hex structural bolts 

washers_imageF436 Flat Washers  Hardened carbon steel washers intended for general-purpose mechanical and structural use. Suitable for use with A325 and A490 heavy hex structural bolts.

  • Type 1, Plain
  • Type 1, Plain, 5/16" thick for large diameter A490 bolts used in slottted and oversized holes.
  • Type 1, Mechanically Galvanized B695 Class 55
  • Type 1, Zinc/Aluminum (Dacromet) ASTM F1136
  • Type 3 (Weathering), Plain

F436 Beveled Washersbeveledwasher-image  With a beveled 1 to 6 ratio surface for use with American standard beams and channels.

  • Type 1, Plain
  • Type 1, Mechanically Galvanized B695 Class 55

dtiwasher_imageF959 Load Indicator Washers  Compressible-washer-type direct tension indicators capable of indicating the achievement of  a specified minimum bolt tension in a structural bolt.

  • A325 Type, Plain
  • A325 Type, Mechanically Galvanized
  • A325-3 (Weathering) Type, Plain
  • A490 Type, Plain
  • A325 & A490 Squirter Type