What are the dimensions and specifications of hexagon socket head screws?

Hexagon socket head screws come in various sizes and specifications, which meet the national standard code GB70- 1985. The commonly used dimensions and specifications of hexagon socket head screws are as follows:

The head of the socket head cap screw is round, and there is a regular hexagon in the circle. The difference between hexagon socket head screws and common hexagon socket head screws is that the head of common hexagon socket head screws is hexagonal. Hexagon screwdriver is not the so-called "special screwdriver for mobile phone". Hexagon screwdriver needs a special hexagon screwdriver, which looks like "7" and can be bought in general hardware stores.

Hexagon socket head screws are widely used in electronics, electricity, machinery and other products, and can be seen in automobile, machinery, electronics, electricity, furniture and other fields.

Extended data

Q235 stainless steel is often used to manufacture hexagon socket head screws, and iron screw wires are also used. Stainless steel screws are harder than iron ones. Therefore, when using iron material to produce hexagon socket head screws, it is usually necessary to carry out additional heat treatment process to make the iron screws reach the required hardness.

One thing to pay attention to when using hexagon socket head screws is to try not to let the screw head slip off during use, otherwise it will be difficult to take out the screws in the future.

References:

Baidu Encyclopedia-Hexagon socket head screws

References:

Baidu Encyclopedia-Hexagon socket head screws