A 'unibit is a 'stepped steel drill bit that can drill any size of hole in softer materials.
To Drill :)
A drill used to carve into wood
used to bore or drill holes in the PCB
At least 11,256,750 Canadians have used apower drill.
"Drills" is the plural of "drill". A drill can be a tool used to make a hole. A drill can be a military procedure.
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.
A 'chuck key ' is used, there are 2-3 sizes.
For drilling in a lathe, "Drill Sleeves" also known as "Drill Quills" are used and they are set into the tail stock quill for drilling operations.
The hand electric drill or the drill press.
A common HSS drill bit.
Cobalt drill bits are good
Before the electric drill , it was done by hand. There's a hand-cranked drill, probably still used by the Amish. My father owned one.