Heavy Hex Nuts, Size : M16 To M72 (5/8

Heavy hex nuts 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.   APPLICATIONS A thicker wall to concentrate strength into a more specific point of grip, enabling it to withstand very heavy loads. A high level of compliance, adhering to ASTM A563, ASTM A563M and ASTM A194.