Your home should have all the basic tools at home, such as hammers, screwdrivers and most importantly a wrench tool. Wrenches are used to tights or loosen pipes, screws, bolts and nuts. They can aid in situations where for example, a pipe on your sink's water system has loosen up. If you never had the opportunity to learn how to use a wrench while growing up, this is your chance, as it is cheaper alternative then a handyman. The Basic Rules of Use The Right Size for the Job – When selecting a wrench, always use the appropriate size to the object you're fastening, such as a bolt. You should check to see if the wrench has made complete contact with the surface of the bolt, meaning that there is enough tension that the wrench wont just slip out. Both of these tips will help you keep control over the wrench and if you don't follow them, a slip can lead to damage to the tool, bolt or even yourself. Tip: When you are using a wrench it is best to pull, if you do not have a proper grip or space to do so however, you should push with the heel of your palm. This will prevent damage in the case of a slip of the hand. Avoid Cheater Bars – When working on a particularly stubborn screw, you might think it's a good idea to use a 'cheater bar' (Putting a longer piece of pipe over your wrench handle) for more leverage. But, in reality this is quite a bad idea and here's why. First and foremost, if the leverage bar were to slip off the wrench tool it could injure you or anyone around you. Secondly, when the cheater bar slips off, it will cause damage to both the screw (flatting out its hexagon sides) and to the wrench itself (bending the handle). If you need more leverage just use a wrench with a longer handle. Never Hammer Your Wrench – Unless your wrench has a designated spot for a hammer hits, then you should avoid hitting it with a hammer for more power. This can destroy your wrench, leaving you to unwind a screw with only a hammer. Tip: Never use a damaged wrench tool, if the handle is bent, jaw is wider then it normally should or its teeth are chipped, don't use it. Types of Wrenches and Their Uses Crescent Wrench (Adjustable Wrench) This is the essential and most useful wrench. It should be the first tool on your list of tools to buy, and you should get both a big and small one. Crescent Wrenches have one big fixed jaw and a smaller adjustable jaw, this gives it the ability to fit over a variety of screw and bolts. The front mouth (or head) of the wrench is title on a 22 ½ angle to the handle, this allows the wrench to be flipped and used in uncomfortable spaces. Even though it might be advertised that you can use both jaws for fastening, for maximum efficiency the pressure should be applied to the bigger fixed jaw. If you apply too much pressure on the more fragile adjustable jaw, it can lead to it breaking, ruining your wrench and injuring you in the process.
Open Wrench Open wrenches are smaller then the big crescent wrenches and they offer a few advantages over them when it comes to little small screws. One of the biggest advantages is that they do not have an adjustable bit, so you don't have to worry about braking anything. The other advantage they offer is the speed of work, if you have a number of screws of the same size that need to be fastened, open wrenches can do it much faster as they don't need readjusting. Open wrenches are usually sold in tool boxes with a variety of sizes, but they can also be bought separately. To use an open wrench, first determine the size of the screw that needs to be fastened, select the appropriate sized open wrench, place is onto the screw (make sure that it's well gripped and fastened) and then just twist. Allen Wrenches (Hex Key) Allen wrenches are usually shipped out with DIY constructible furniture (such as IKEA furniture). They have the shape of a little hexagon metal stick with a 90 degree bend on one end. They are used for Allen screws are come in a variety of sizes, they as well can be bought in bulk just like the open wrenches. Even though they might not look like much, they still come in very useful – apart from putting together IKEA furniture they can also be used to change wheels on roller skates and other tasks involving miniature Allan screws.
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