Question: what is the difference between 1/2 and 3/8 drill?
Answer: A 3/8-inch drill is common for work around the home and accepts a wide range of bits. A 1/2-inch drill handles heavier applications. ... 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.