Flange bolt

Bolt according to head shape:

Hexagonal head, round head, square head, countersunk head and so on. Hexagonal head is commonly used. Generally, the countersunk head is used in the place where the smooth surface of the joints is required, because the countersunk head can be screwed into the parts. The round head can also be screwed into the parts. The tightening force of the square head can be larger, but the size is large.

In addition, in order to meet the need of locking after installation, there are holes in the head and in the rod, which can keep the bolt from loosening when it is vibrated.

Some bolts have no threaded bars to be thin, called thin waist bolts. This kind of bolt is advantageous to the connection under the variable force.

There are special high strength bolts on the steel structure, the head will be bigger, and the size will also change.

In addition, there are special uses: T-groove bolts, machine tool fixtures used more, special shape, both sides of the head to be cut off. Ground bolts, which are used to connect the machine to the ground, have many shapes. U-shaped bolts, as mentioned above. Wait.

There are special studs for welding, one end with thread and one end without thread, which can be welded on parts, and the other side can be directly screwed nuts.

Riding bolt

The English name of riding bolt is U-bolt, which is a non-standard part and its shape is U-shaped, so it is also called U-bolt. The two ends have threads which can be combined with nuts. It is mainly used to fix tubular objects such as water pipes or sheet objects such as car leaf springs. Because the way of fixing objects is like riding on a horse, it is called riding bolt.

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