Silicon bronze
The colour is irrelevant , that just depends on the manufacturer. To cut through concrete you need a 'carbide tipped' drill bit. This tip is a little wider than the drill bit and is quite obvious.
The bit is called a countersink bit, but be sure if it's to be used in stainless that it is made from high speed steel (for metalwork) or carbide tipped and turned at a low speed. Use a good grade of cutting oil as a lubricant.
metal drill bit has a finer point
A titanium or cobalt drill bit.
Drill bits and screws are not the same and cannot be converted. vido produces drill bits with high quality, exported overseas and loved by the public. If you want to buy a drill, you can go to VIDO's official website to check.
You need a diamond tipped drill bit to drill glass or tile.
An ordinary HSS drill bit can not cut through glass. A diamond tipped drill bit is necessary for this.
The most common type of drill bit is the 'straight shank steel twist drill' . Other less common but still much used bits are the Brad tipped bit for woodworking and the carbide tipped bit for masonry.
A carbide tipped masonry bit would work well.
I use a brad tipped drill on oak and other hardwoods.
Use a dimond tipped drill bit or carbide tipped. Place some masking tape on the area to be drilled as this reduces the slipping of the bit as it breaks the surface of the glass. Dont apply to much pressure but allow the drill bit to do the work or youll get tear out on breaking through. A good hand drill will do the job.
You use a carbide tipped drill bit for tiles. If the holes are for faucets or similar size, you use a diamond tipped holesaw. Available in many sizes at Home Depot and many good tool stores.
You need a diamond tipped bit to drill almost any rock.
The colour is irrelevant , that just depends on the manufacturer. To cut through concrete you need a 'carbide tipped' drill bit. This tip is a little wider than the drill bit and is quite obvious.
A 40mm hole saw is more efficient than a drill bit for holes of this size.
That is a really strange question. It is usually made of carbide tipped steel, but I can't see any difference in knowing the chemical ( Actually metallurgical ) composition.
Drilling ceramic tile can be accomplished with a carbide tipped drill bit such as one for masonry or concrete but a better choice is a bit designed to drill glass which is much harder Most home improvement stores carry such bits and they are only a bit more than regular bit sets. A glass bit looks like a spade on the end of a shank while the masonry bit looks like a traditional twist drill.