What chisel drills are used for building water utilities?
Now all use slot machine, buy a few drill groove, convenient and durable, very practical.
Don't say to yourself why, before all the impact drill plus tip and flat chisel and hammer, impact drill with open ditch, then with hammer and chisel out the middle left
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.
Now is the use of play slot machine, before impact drill plus pointed and flat chisel and hammer.1, can use the slotted line pipe cutting machine, can also use the shovel,2, the most simple and practical way to slot the box is to use diamond in the groove where the direct drilling,3. The diameter of the hole is determined by the size of the wire box. For example, 86 of the wire boxes can use 100 of the drill bits.4. The depth of the wire box is the depth of the borehole.5, knocking out a hole in the middle of bricks and then trimming.6, such open line box groove position standards, size appropriate, also easy to use mortar filling fixed.
