Screwdrivers

Intro

In this presentation I will be explaining the screw driver and how it helps in mechanical engineering.

What is a Screwdriver?

A tool for driving screws that consists of a handle or power tool with a metal rod shaped at the tip

to fit into the head of a screw.

Old and New

Wood Plastic and metal Drill

Who Invented it?

•It is well known that Alfred Jones created the screwdriver in the 1860’s.

•But their was other writings about the screwdriver before Jones.

Mechanical Engineering

What do they work on?•Airplanes

•Cars

•Helicopters

•And more!

The need for a screwdriver.•Screws parts together

(Wings, Engines, Arms, Legs…..etc.)

Conclusion

The screwdriver has helped many different jobs and will keep helping with future developments.

Find more info about screwdrivers manufacturers and exporters here.....

http://www.tradeindia.com/manufacturers/screwdriver.html