Features:
- Heavy Hex Nuts, also referred to as structural nuts, are both thicker and wider than a standard (finished) hex nut and compatible with high strength and large diameter bolts
Features and Specs:
- ASTM A194 Grade 2HM heavy hex nuts are quenched and tempered alloy steel nuts and are 100% hardness tested
- ASTM A194 covers carbon steel, alloy steel, and stainless steel nuts for bolts in high pressure or high temperature service
- Grade markings consists of both the grade symbol "2HM" and the manufacturer's identification mark
- They are usually paired with A193 Grade B7M fasteners in applications where hydrogen sulfide gas exposure may lead to hydrogen embrittlement problems
