Most hand drills are made of steel. Their drill bits are made of high sped steel.
Alloy steel, HSS. Diamond
plastic , metal and electrical wirering
Most drills a re made from tool steel. Some better ones are made from alloy steels
it is used for drilling holes in materials such as metal.
B&D drills are made in Mexico and China now.
black and decker is onw of them.
"Although it may not be made specifically with the small handed in mind, the general consensus is that Makita drills are ideal for smaller hands. Many with small hands use the Makita drills with ease."
Boron carbide (B4C) is not a metal. B4C is used as an extremely hard coating or tips for drills and other cutting tools.
Drills, metal tubes and buckets.
Essentially no. Many drills are able to use a steady flow of water as lubricant and coolant. Other drills also don't require any cooling or lube, but are not run as hard or constantly.
to find coal and other gems
drills, cutting tools
Abrasives and high speed drills are often made of carbide alloys of carbon and various metals.
Spade drills or spade bits are used to cut rough holes in wood or metal. They are very high speed and can cut a rough hole quickly through different thicknesses of materials. The rough cut made by spade drills or bits have to be smoothed out and refined usually by grinding and sanding. Spade drills and bits come in various sizes and are usually used to make 1 inch holes or larger.