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FAQ

Why can't the tap be nitrided? Drill bits are available.
Many imported taps are coated now. In addition to TiN, there are TiCN, TiAlN.
What are the differences between a twist drill and a construction drill? Where are they used?
A twist drill is a tool for cutting round holes in a workpiece by rotating it in a relatively fixed axis. It is named because of its shape of spiral groove.
What drill heads are used to drill holes in diamond heads?
A drill bit (Drills) is a tool used to drill through holes or blind holes in solid material and to expand existing holes.
What do you use for drilling walls?
The hammer can drill the wall. An electric drill is out of the question. Electric drill, electric hammer, impact drill is used to punch the hammer, generally used to drill holes in the concrete and other hard objects, the drill bit is alloy steel, in drilling at the same time, the function of a hammer. An electric drill is used to drill holes in a more malleable object; the drill bit is usually steel. Both hammer percussion drill and drill function, it can be used when the hammer drill, and when. There are two kinds of drills.
What chisel drills are used for building water utilities?
Professional water electrician's approach is to draw a good line, and then cut the thread by wire cutting, and finally hit the groove. This way the groove is standard and small to the wall.
What is countersunk drill, flat head drill?
Flat drill: literally, a drill without head angles, somewhat similar to a milling cutterBut at the time of processing
What drill is drilled on marble?
Do not use impact drilling, use an electric drill, and a high-speed steel drill, which is equivalent to grinding a hole in the marble!
Who can do this? Put the drill into it
Change the hammer and steel ball to the service point. 3, time does not need, may not plug in, according to 1 of the method of force a few times just fine