Description of HEX BOLT & NUT 4.6 UNC

Bolt is a fastener / fastener that is used as a binder coupled with nuts. Another form of bolt is the cap screw. Called screw cap when used as fasteners in pairs with threaded holes. Thus the bolt and cap screw are distinguished based on their application as a fastener. But now the one who is paired with Nut and threaded is still called Bolt.

Bolt specifications.

Bolt shape consists of Head body and thread. The size of the head is based on the flat plane spacing on the Head. The size of the head bolt determines

several sizes of keys or sockets are used. Bolt size is determined by the diameter of the peak threat, while the length of the bolt is measured

from the bottom of the head to the end of the thread (bolt). Some bolt forms have different length measurement requirements in designating bolt sizes.