Which drill is the smallest?
The smallest working drill measures 6.1 mm (0.24 in) tall, 6.7 mm (0.27 in) long and 4.6 mm (0.18 in) wide and was achieved by Kiran Patil (India) in Bangalore, India, on 19 April 2019.
What does brushless drill mean?
A drill with a brushless motor adjusts its speed, torque, and power supply to match the task at hand. It’ll sense if you’re driving screws into a light material like drywall or a dense material like mahogany, and use only enough power to accomplish the job.
What is the difference between a 12 volt and a 20-volt drill?
The main difference between 12v, 18v, and 20v tools is their power; the higher the voltage of the tool means the more influential the tool is, so here the voltage is 12, 18, and 20 volts, indicating the 12v tool has less power compared to the 18 and 20-volt tools.
What is the difference between a 3/8 and 1/2 inch drill?
A 3/8-inch drill accepts a wide range of bits, making it versatile for common tasks around the house. A 1/2-inch drill handles heavier applications. … Efficiency: Some drills have keyed chucks that require a tool to tighten and loosen, but many drills have keyless chucks that you can tighten or loosen by hand.