ASTM A194 2HM Heavy Hex Nut Manufacturing Procedure

2HM nuts are heavy-duty hexagonal nuts manufactured in accordance with ASTM A194. In this standard, 2HM represents ferritic grade. It requires cold forging or hot forging processing, certain heat treatment (quenching and tempering), and certain hardness 2HM Brinell Hardness HB 159-237. There are