When would you use a SDS drill bit?

Quote from the video:
Quote from Youtube video: If you get a piece of aggregate you're going to ensure that that drill bit is not going to just turn. Inside of the drill itself. So that's where the SDS the SDS plus and the SDS match come into play.

What does SDS stand for on a drill?

Slotted Drive Shaft





SDS is simply the bit retention system — or how the bit is held in the drill. There is some debate as to what the “SDS” acronym stands for. The original German interpretation was “Steck-Dreh-Sitz” meaning Insert-Twist-Stay. As the bit evolved, it has come to be known as a Slotted Drive System or Slotted Drive Shaft.

What is the most commonly used drill bit?

twist bit

A twist bit is the most common type of drill bit for home use. It works for general-purpose drilling in wood, plastic and light metal.