The main contribution of tools and equipment has been allowing workers in various industries – carpentry and construction, electrical, plumbing, mechanical and even gardening – to perform their tasks more easier and faster too. Among the most useful of these is, of course, the drill.
A drill bit is held at the drill machine, and then it rotates into a surface to create a hole. Used for centuries, handheld tools come in a huge variety that includes the push drill, the brace and bit, the beast drill (also called the eggbeater drill), the pin chuck for jewelers, and the bow drill. All of these are hand-operated tools that make holes by spinning.
Drill work is made possible by a combination of low torque and fast speed. First, the drills had sharp points, but these were later changed into arrow-shaped points to achieve a better outcome. The modification became popular towards the end of the nineteenth century. After a few years, spiral-fluted twist drills were created and these replaced their blacksmith-produced counterparts.
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Rotating drill bits are constructed using very tough materials to allow them to create holes in hard surfaces such as rocks, walls and metals, and for the building of tunnels as well as oil wells.
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Aside from hand-operated drill tools, motor-driven machines have also been create to tackle more challenging tasks. This family of drill tools is composed of many different types, each of which serves a definite function.
The drill bit has also be designed according to the hole type it’s supposed to make. When meant for small holes, they could have diamonds which are put there for their abrasive action in a rotating movement. Rotary oil well drills may make use of a chisel cutting edge or rolling cutters that come with sharp and tough teeth.
As the drill bores into a surface, the material chips away gradually instead of abrading or cutting it. With the help of an oxyacetylene torch, the fusion drill, which is another unique kind of drill, bores into a surface by melting or flaking it.
Portable electromagnetic drill presses, on the other hand, are intended for remote drilling onto hard metal surfaces. The kit comes complete with a 9.0-amp motor with 1.1 maximum horsepower, along with accessories like twist drill bits, annular cutters, lubricant bottle spray, safety strap, and cutter wrenches. To bore a hole onto a fixed stand, mini and micro drill presses are often used.
When you go shopping for drills along with all other tools, make sure to make quality your number one priority. And always consider at least two or three stores so you can make the necessary comparisons in terms of brand, product specification, usage and of course, price.