Hand tool as the name itself suggest, is a kind of device which is operated simply by our hands. It is used to perform various kinds of exercises on the materials or the physical system. To use a hand tool we just need to employ some mechanical or an electrical force. Some of the well known examples of hand tool are hammers, calipers, sharpeners, drivers etc. We can rather say there are limitless numbers of hand tools present today which we use in our daily life.
Due to endless number of varieties in the hand tools, these tools are categorized in some specific groups. Some categories of hand tools are cutting and smoothing tools, driving tools, chopping tools, measuring and leveling tools, layout hand tools, gripping or prying hand tools, twisters, handling and climbing tools, digging tools, power hand tools, trailer mounted tools and many more. Further each of such hand tools categories contains large number of tools in them. They are as follows:
Chopping and Driving hand tools: hammers, screwdrivers, choppers, mauls, etc.
Cutting and smoothing tools: files, rasps, cutters, saws, planes, etc.
Measuring and leveling hand tools: tapes, squares, levels, bobs, markers, etc.
Gripping or prying hand tools: wrenches, bars, pliers, etc.
Digging hand tools: picks, mattocks, shovels, etc.
Power hand tools: generators, electric tools and some portable tools etc.
So we can see that there are endless varieties of hand tools which are used in our day to day life.
Now days many hand tools are also adopted as the power tools. Power tools are those tools which do not use manual efforts but get their power or energy from electricity, engines, motors and others. Chisels, hammers, saws etc. are some examples of hand tools that can easily be converted to power tools.
A wrench is a useful tool to turn a bolt head or nut. The selection of a wrench is mainly depended on the dimensions of the fastener. Whenever you use a wrench it is better to pull it towards oneself rather than pushing it away from you. This type of working with wrench reduces the load and gives more control over your work.
These wrenches are also categorized in various types. A wrench is classified into different categories depending on the type of their application and use. Box end wrench, open end wrench, combination wrench, adjustable wrench and socket wrenches are the classified categories of it.
A box or a closed end wrench is used in room to place the wrench mouth around the fastener. Such wrenches are available in different versions like 6-point or a 12-point. Most popular wrenches are the Hexagon fasteners which have 6 points.
Open end wrench is used as a replacement for a box or a closed end wrench to turn off the fasteners.
To perform specific tasks combination wrench is used. Such wrench has two ends; one open and other one closed. It can also be a combination of offset and straight end or both the ends of the wrench can be of different dimensions which can be used for different applications.
An adjustable wrench are also quiet popular and can be used on a variety of fastener sizes. But such wrenches are not as stable as the fixed-size wrenches. So they can easily harm to the user or to the fastener. Generally such types of wrenches are kept in option for in case if the correct size wrenches are not available.
Socket wrenches are one of the most popular types of wrenches which fit over the fastener easily. Such wrenches are safer than other wrenches. They come in standard depth and sizes.
RK Engineering Enterprises is one of the pioneers in the development of specialized industrial hand tools. RK's range of products include Triptork Torque Wrenches, Triptork Torque Multipliers, Triptork Torque Screw Drivers, Garuda Hydraulic Pullers and various Industrial Hand Tools. Visit www.rktriptork.com for more information.
Source: http://www.ArticlePros.com/author.php?Vijay Kumar
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