Who suffered, making holes in concrete slab, knows that the best assistant in this case — a power drill. Well, if it does not exist? You will rescue two hammer and carbide drill bit d 4 and 7 mm. First, work a smaller drill bit and lightly hitting it with a hammer and turning a bit after each stroke. Breaking to a depth of 5-10 mm, model drill more and clean the resulting hole. The cycle is then repeated in 20 minutes manages to punch a hole to a depth of 40 mm.
Recommend to read
TABLE… CHAIR
A long-standing desire to have a coffee table brought me to a furniture store where there was at least a strong desire to make this table their own — these were there prices. Turned up...
SUCH A STRETCHER IS MORE CONVENIENT
No building that is not without stretcher use them both outside and indoors, and in the basement. And to maneuver in tight areas with the load is not very convenient. It happens, hook...
