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An angle drill is a tool used to bore holes into a material, mostly to facilitate the entry of a fastener such as a nail, screw, or a bolt. The angular nature of the drill enables drilling in relatively inaccessible locations. This tool increases the productivity of a worker by speeding up the drilling task and also offering enhanced accuracy. Considering that in the construction of a big house, there may be around 30,000 to 50,000 drilling instances, the angle saw would help to save time and efforts of the worker. The tool is applicable for a varied range of materials, such as wood, reinforced plastic, and even metal. Alongside skilled professionals such as carpenters, masons, plumbers, or electricians, hobbyists too find this tool user-friendly. The drilling bit of the tool can be replaced by a screwdriver bit, converting the tool into a driver, which can be used to drive in a fastener. The angle drill is ideally suited to close quarter drilling or driving. Drills having a D-handle and a 90 degree drive head can be used for stud and joist drilling
Features and working of an angle drill An angle drill consists of a metal body tapering into a chuck at the anterior end. The chuck is a maneuverable grip into which the drill bit is inserted. This chuck is made of a reinforced metal and is generally keyless to allow tool-free removal or replacement of the bit. The metal drill bit has a slender cylindrical construction with a serrated tip. When the drill is started, the bit begins rotating at high speeds and the hole is dug by miniscule granules being sheared off. This drill is powered either through electricity or compressed air. Electrically powered drills come in two types; corded and cordless. Corded angle drills have a power cord that needs to be connected to a wall power source. Cordless drills, on the other hand, are completely portable as they have Rechargeable batteries, making these drills usable anywhere, including the outdoors. Angle drills that work on compressed air, called pneumatic drills, are linked to an air tank that contains pressurized air. When the trigger is pressed, this air is projected at high pressure towards the front of the drill, causing the rotational motion of the chuck. Electricity powered angle drills have motors using around 4 to 7 amps, while pneumatic angle drills have an air consumption of approximately 5 to 6 cubic feet per minute (CFM), generating an output of around 800 to 2000 revolutions per minute (rpm). A variable speed feature enables the user to change the tool speed depending on the intended applications. A paddle switch having a speed maintaining dial allows the user to control the tool to prevent over-insertion of the fastener. For added versatility, the head and the handle may be able to swivel 360 degrees. Some angle drills have helical heat-treated gears to increase the durability of the tool and make it suitable foe heavier industrial applications. The chuck is often angled at 55 degrees to provide accessibility in confined places. The operating direction can be easily changed with a reverse valve. What to look for in an angle drill Since this tool may be used under cramped conditions, the weight should be evenly balanced, to make it more maneuverable. An overload protector prevents the tool motor from overheating, thereby increasing the life of the tool. If the tool needs to be stopped instantly, an electric brake is a useful feature. A rear exhaust blows air away from the workpiece, keeping the area clean for the user as well as improving visibility. For enhanced accuracy, some drills have a built-in LED light that illuminates the drilling area. Most of the internal moving parts and the motor are rendered with ball bearings to decrease wear and tear due to friction. The handle of the drill and the angular orientation is ergonomically designed to enhance the comfort Level of the user. Also the trigger and the other controls are designed to be easily accessible for the user when using the tool.. Another important factor of consideration is the noise emitted from the tool, with the maximum recommended noise level being around 95 decibels. Some reputed manufacturers of angle drills include Bosch, Chicago Pneumatic, DeWalt, Grip, Makita, Mechanics, Milwaukee, Porter-Cable, and Ryobi.
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