Standard: ISO4161 ISO12126 DIN6923 DIN6926 DIN6927 ANSI/ASME B 18.16.4 ANSI/ASME B 18.2.2 ISO10663
Material: Stainless steel 202, 304, 316 ,Carbon steel Q195,Q235,35K,C45,42crmo
Hexagon nut is used in conjunction with bolts and screws to connect the fastening mechanism. Among them, Type I hex nuts are the most widely used. Class C nuts are used on machines, equipment or structures with rough surface and low precision. Class A and Class B nuts are used for machines with smooth surface and high precision. , equipment or structure.