A spiral drill bit has a groove in it on the sides that spirals up the bit. This pulls the material out of the hole. It performs in a certain way for a certain type of drilling. There are other types of bits such as butterfly also know as spade bits. Hole saw bits that are hollow tube with teeth around the edge and lots of other types.
It is a drill bit having deep helical grooves, that is spiral grooves
It is a drill bit having deep helical grooves, that is spiral grooves
To help pull the bit into the surface being drilled and the spiral on the bit gives the material from the hole a place to go and pulls it out of the hole.
As it rotates, the sharp angled point cuts the material and the spiral fluting carries the debris away.
The drill bits spiral design cleans out the hole automatically.
metal drill bit has a finer point
A titanium or cobalt drill bit.
The precise shape and angles of a drill bit.
A tungsten coated drill bit.
You need a diamond tipped drill bit to drill glass or tile.
That is a drill bit designed to remove partial drill bits that have broken in a hole
You can drill holes in aluminum with a drill as long as you have the proper drill bit. Use a regular drill bit and keep speed moderate.