You use a diamond core tile drill which is the appropriate size to the diameter you need.
Common drill sizes for tiles are 6mm and 8mm for rawl plugs.
For service pipes they are 16mm 30mm and 40mm. These will cover radiator pipes, waste pipes, shower head and other hole sizes.
To stop the diamond core hole saw or drill bit from slipping you need a guide plate to hold it steady on the tile.
If the metal is a normal steel or less hard metal (aluminium, copper, tin etc) then you use a common HSS (high speed steel )drill bit. If you are drilling harder metals or toughened steel then you would be better off with a titanium or cobalt bit bought for this purpose.
With a drill bit made for metal, it's harder steel and a different edge.
Get a 2" hole saw for your drill. A hole saw also known as a hole cutter, is a circular saw designed to cut through wood.
Very carefully, and with a diamond tipped drill bit.
If no drill bit this size available, can use EDM service if metal is used
A drill bit (hand or machine) is designed to drill a hole through either wood or metal material.
You use a standard HSS drill bit.
metal drill bit has a finer point
The same as for wood or metal, just keep the rpm's down to keep from melting the plastic.
It is not a drill bit, it is called a Tap. You drill a hole slightly smaller than the Tap and then screw it into the hole.
That is a drill bit designed to remove partial drill bits that have broken in a hole
When you drill into something a lot of heat is created due to friction. The heat will cause both the drill bit and the material you are drilling to expand. Especially if you are drilling metal, adding oil will reduce friction, and prevent the drill bit from seizing up in the hole due to the expansion of the bit.
Yes, but not with the usual drill bit. Drilling a hole in glass is accomplished with an abrasive that actually wears a hole through the glass.
Use a brand-new bit for metal mounted on a hand drill (not electric). Slowly rotate the bit in the lead, which is a "soft" metal.
That size is 8-32. The drill bit for a clearance hole is 11/64, or a #17 drill bit.
Surprisingly enough- a 6 mm drill bit, or if you don't have one,1/4 drill bit will do.