The 13mm keyless chuck combi drill can support large drill bit sizes up to 13mm. This means that these drills can be used to tackle the jobs which require large holes to be drilled. Typically, the 13mm keyless chuck combi drills are a little larger in size and weight when compared to their smaller, 10mm variants.
Combi drills combine a hammer action feature, which allows these drills to tackle masonry, brick and concrete, along with other materials, such as wood, plastic and metal. A keyless chuck system means that the drill bit can be put in the drill and tightened by hand, instead of needing an additional key to tighten the chuck mechanism.
- The key consideration when choosing a combi drill is the maximum drilling diameter required. 13mm refers to maximum drilling diameter in concrete & brick. You can use a larger drill bit for metal, plastic & wood (& some machines allow this in concrete & brick too) providing it has a 13mm or smaller diameter shank to fit the chuck. A keyless chuck is tightened by hand.
- Choosing the right battery: Cordless (or battery powered) tools have a variety of 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 - sometimes 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 accessories; as a result they are significantly cheaper in price.
- Most professional combi drills have a variable speed function and a variety of torque settings. Additionally there is often a choice between single, 2 or 3 speed gears; a low speed and higher torque setting is used for screw driving whilst a higher speed is used for drilling metal or wood for example.
- To also help you decide between combi drill - 13mm keyless chuck
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