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    The screwdriver sizes and types vary as they are used for a variety of tasks. The following information will shed some light on the facts and figures.

    General Information about Screwdriver Dimensions 

    In its most basic form, the screwdriver is a tool used to turn screws. There are many types available, and they are distinguished by their size and the head. Screwdrivers are measured in mm and decimals. Flat screwdrivers are measured by the blade. 

    A flat blade advertised as .025 means it measures 0.6 mm. A 0.40 flat blade is equal to 1 mm while the .055 blade is equivalent to 1.4 mm. 

    Screwdriver Types and Variants 

    These tools are distinguished by the tip, not so much by the screwdriver size. The Philips screwdriver is used for loosening or tightening screws. Hex, flat head, nut driver and clutch head screwdrivers are used for the same purpose. 

    There are also screwdrivers with interchangeable bits. These types boost the speed of the screws. It also eases the tightening and loosening of screws. 

    The Jeweler’s Screwdriver and Other Variants 

    This tool is used for repairing glasses and other high precision tasks. Their size ranges from 0.025 to 0.10 inches. The offset screwdriver is utilized in confined spaces. The screwdriver is recognizable by its Z shape. It can be fitted with different tips. 

    The awl has a pointed tip, ideal for scraping surfaces and making small holes. This tool is utilized by many shoemakers for creating holes in leather. The tack claw has a couple of curved tips resembling a claw. You use it to remove tacks and nails. 

    How to Find and Use the Right Screwdriver 

    Make sure the screwdriver head is a match for the head. For hex head screws, use nut drivers. If you are working with computer parts or eyeglasses, the jeweler’s screwdriver is the best tool. 

    Many people find the five inch long contoured handles as the most comfortable. There are also some handles with grooves. If the standard screwdriver won’t work, try using the stubby screwdriver. 

    Tips and Warnings

    Use an electric screwdriver so you don’t suffer any repetitive motion injury. For more precise controls, buy screwdrivers with black oxide tips. 

    Picking the right screwdriver size and type is critical to getting the job done. If you don’t use the right type, you could end up with tipped screws. By knowing what the screwdriver is for, projects will be completed more easily.

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