Use Of Fasteners In Mechanical Engineering

Use Of Fasteners In Mechanical Engineering 

There are two different types of fasteners

1. Temporary fasteners 
2. Permanent fasteners

Temporary fasteners are those kind of fasteners which are use only for time work as i say use for just temporary work. These kind of fasteners are used for most of time. For example screw joints are all example of Temporary fasteners.

Use Of Screw joints In Mechanical Industry:

Now a day Screw or bolts joints are the most important and very much use joints in mechanical industry. There are two types of thread that are on the screw and mostly used

• Single start thread 
• Multi start thread

In Single start thread single groove round on the axis of bolt. 
In Multi start thread two or more than two grooves round on the axis of bolt.

There are different types of thread which are used on the axis of bolts and screw and all these bolts and screws used in automotive engineering and also in industry for temporary fastening and for assemble different machine parts. 

Form Of Thread :

There are different types of threads which are mostly used as a standard in all over the world.

• B.S.W British Standard Whit-worth Thread
• American National Standard thread
• Unified Standard Threads
• Square threads
• ACME Threads
• Knuckle Thread
• Buttress Thread