while the cabinet one used for jewelry making, watch working etc. keystone screwdrivers have somewhat wider shaft tip as compare to cabinet type which makes it more applicable for the purpose like woodworking etc. They are of two types according to their application: keystone and cabinet. Now what does it mean? Well ‘cam-out effect’ is a process by which the screwdriver tends to slips off from the surface of the screw head, when the torque applied on the surface of the screw exceeds a certain limit or sometimes due to lack of centering, which usually causes the damage to the screw head or screwdriver tip. It can be manual driven or power driven, but not often power driven because slotted head has ‘cam- out effect’. As the name suggest it has a flat shape shaft tip with a single slot which engages with the slotted screw head only. It was invented in the 15th century in Europe and one of the most common types of screwdrivers. It is one of the oldest types of screwdriver. The grooved part rests on the screw drive to drive the screw into the material.ġ. A basic screwdriver has a handle at its one hand and a shaft, groove at the tip of shaft, on the other. Screw drive also known as the recess which is a shape or groove made on the head of the screws which allows screwdriver to apply torque on it, while the screwdriver is mainly a tool to drive the screw in clockwise or anticlockwise direction. Here you will learn 6 different types of screwdrivers that are most commonly used. Well I know you must have got confused between a screwdriver and a screw drive? Your confusion will sort out just keep on reading.
Well, screwdriver is entirely depending on the screw drive type or recess type. If you ever visited a tool shop, you must have seen hundreds of screwdrivers of different styles, shapes, size or anything else. According to many Historians, screwdrivers were invented in the 15th century and as we a made transition to 21st century you find them in every toolbox commonly. The screwdriver has been considered one of the greatest inventions among tools.
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