The chuck size depends on the size and cost of the machine. Most household hand drills will have a 1/4" chuck. Handyman drills usually have a 3/8" chuck, while professional drills almost always have a 1/2" chuck..
You attach a drill bit into the chuck of the drilling machine.
The size of the chuck is the only limitation. Most bench drills have a 1/2 chuck and many of them are removable. -ie,you can often fit a bigger chuck.
The drill chuck is a means of holding many different sizes of tools. With this you can hold any drill bit, Forstner bits, milling bits, fly-cutters and many more things.
Tighten the drill bit in the chuck.
It's the part of the drill that holds the drill bit.
chuck
I'm not sure I completely understand your question, but a larger chuck size on your drill will accommodate larger bits. You can find 1/2" chuck drills at Lowes.
A 'chuck key ' is used, there are 2-3 sizes.
a jt3 chuck is a chuck for a drill that takes a jt3 tapered arbour for fitting into lathes or pillar bench drills
The drill chuck
Drill machine is basically for drilling purposes. This machine is designed to drill hard things.
"chuck"