"chuck"
It's the part of the drill that holds the drill bit.
The drill chuck
chuck
Chuck
Tighten the drill bit in the chuck.
You press the holding ring toward the body of the drill and slightly twist and pull the bit away from the chuck.
You should clamp work on a drill press to ensure the drill bit goes exactly where you want it to. -Also, thin materials can often grip the drill bit and spin around if not clamped.
An electric drill has a small electric motor inside, driving a series of gears. The power from the gears turn a chuck, which holds the bit placed into it thereby drilling a hole.
yes but you need a special diamond tip bladeANS 2 - I have a Dremel drill press, it can be used with any type of small bit. The diamond tip bit may only be for certain materials.
Don't let your hands near the drill bit or drive belt while they are moving.
Larger bits require a slower (more power) speed.
A drill guide is used to make an accurate hole when not using an drill press. When one needs to use a handheld drill on a project, the drill guide will keep the drill bit straight and accurate.