What is screw coupler ?
This is the oldest coupling system used by the Indian Railways and is still in use. The coaches are connected by using a screw. The principle of screen in a nut is used in this system. The coach is provided with Side Buffers, which avoid the coaches from collision.
Pros :
When compared to...
more... the CBC coupled coaches, these coaches experience lesser jerks.
Availability is high and repairing these coaches is easier.
Cons :
Lack of Anti-Telescopic feature. Heavily damaged during accidents.
Can’t withstand heavy loads.