1. Screwdrivers
By: Dutch Knight

2. Intro
In this presentation I will be explaining the screw driver and how it helps the present day mechanical engineer with his work.

3. 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.

4. Old and New
Wood
Plastic and metal
Drill

5. 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.

6. Manufactured by whom? And many more! Kaider Trading Co., Ltd.
MARKET UNION
Ningbo Sun Promotion Enterprise Co., Ltd.
Hangzhou Kepeng Tool Manufacturing Co., Ltd.
Yongkang Keyfine Tools Co., Ltd

7. Mechanical Engineers What do they work on? The need for a screwdriver.
Airplanes
Cars
Helicopters
And more!
The need for a screwdriver.
Screws parts together
(Wings, Engines, Arms, Legs…..etc.)

8. Types of Screwdrivers Robertson Phillips Hex Square Double hex
Types of Screwdrivers
Robertson
Phillips
Hex
Square
Double hex
Hex socket (Allen)
Slotted
Polydrive
Torx
Spline drive
Triple square
Tri-Wing
Pozidriv
One-way - Clutch
Spanner head
Bristol
Torq-set

9. Make it easy! Future Developments
In the future, there would be one type of screw head, eliminating all but one type of screw driver.
Make it easy!

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

11. Reference slide