An introduction to angle drills: Angle drills are used for drilling holes in wood, metal or plastics in tight or confined spaces. Most angle drills have a fixed 90 degree angled head although a variable head position tool is available. Angle drills have come into their own since electrical regulations required electrical wires to run through holes in the joists rather rather notching holes in the top of joists, so much so, they are sometimes called joist drills.
To choose between angle drills: The key consideration when selecting between angle drills is the maximum drilling diameter required. 10mm refers to maximum drilling diameter in steel, you can use a larger drill bit for plastic & wood providing it has a 10mm or smaller diameter shank to fit the chuck. A keyless chuck is tightened by hand.
To make sure you’ve got the right angle drill – 10mm keyless chuck: Choosing the right battery: Cordless (or battery powered) tools have various chemical battery types; Li-ion is the latest technology, prior to that it was Ni-MH and Ni-Cad was the original. The higher the Ah (Ampere hours) the longer the interval between charges; the fewer times you recharge a battery the longer it will last. Some cordless tools can also come without batteries – also referred to as naked, bare units or body only. These tools are supplied without a battery or charger and more often than not without any accessoires. As a result they are significantly cheaper in price.
Additionally there is often a choice between single or 2 speed gears. Most angle drills have a variable speed function.
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