10 kinds of nuts that robots know, how many do you know?

When it comes to nuts, I believe you will not be very strange, nuts are often used with screws as a fastener, which can be seen everywhere in daily life, and it can be seen that the market demand for nuts is really considerable.

Classification of bolts and nuts

Bolt level, and the meaning of bolt levelClass 8.8 hexagon head bolt

GB 819-85: Cross Slot Countersunk Head Screw

GB/T 819.1-2000: “Cross recessed countersunk head screws Part 1: Steel Grade 4.8”

Why is the nut grade lower than the bolt

Nuts and bolts are common mechanical connectors, widely used in all walks of life, and their main role is to connect two or more parts together to complete the assembly or maintenance of the machine.