Hsfg Nuts

Nuts (Heavy Series) are slightly larger and thicker than standard (finished) hex nuts. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts.
Common Standards Include:

HSFG Nuts

Nuts (Heavy Series) are slightly larger and thicker than standard (finished) hex nuts. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts.
Common Standards Include:

  • BS4395                       
  • GRADE 85/105    
  • IS 6623       
  • DIN 6914                                    
  •   ISO 7417                   
  • ASTMA563M
  • DIA/RANGE-M12-M30           
  • AS 1252