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
VELOVIC WITH POCKETS
Two-wheeled transport — an indispensable tool: the products whether to go to a distant shop or a neighbouring market, potatoes from the garden to bring — but few if any economic goods in...
MERCEDES-BENZ F400 CARVING
For the first time this car was unveiled at the Tokyo motor show 2001. The uniqueness of its layout and design decisions caused considerable interest in the new company Mercedes-Benz. ...
