Overview of bolts

2015-11-26

There are six head, round, square head, countersunk head, etc.. Six of the head is the most commonly used. General sink head used in connection

The place wher the bolt has a smooth surface, wher the head can be screwed to the part. Round can be screwed into the parts. With the tightening force can be bigger, but the large size.

In addition, in order to meet the need for the installation of the lock, the head of the hole, the hole, the hole can make the bolt is not loose when the vibration.

Some bolts are not thread rod to do fine, called slender waist bolt. The bolt is in favor of the coupling of the force.

Steel structure has a special high strength bolts, the head will be bigger, the size of the change.

In addition there are special use: T groove bolt, machine tool fixture for most, with special shape, both sides of the head to cut off. Bolt, machine for ground connection is fixed, there are many kinds of shapes. U shaped bolt, as mentioned above. Wait

There are special stud welding with a head, a head is not a thread, can be welded on the part, on the other side of the direct screw nut.