It is known that in friable material such as drywall or particle Board, the screws holding bad and under load falls. However, it will bind details not worse than a bolt with a nut, if properly prepare the hole for the screw with epoxy. For this purpose the screw is pre-coated with any oily grease (tsiatim, grease, vaseline), and in a hole dug in “epoxy”. Then screwed the screw before final curing of the resin several times to twist as if forming for him the thread.
A. KUZIN, electrical engineer, Ekaterinburg
Recommend to read
THE MILL, WHICH PLOWS
Each year, digging up kitchen with family land on the plot where the tractor was simply not to turn, thought: "I Need a walk-behind tractor-tiller". Of course, you can deny something...
UPGRADE SCREWDRIVER
The tightening of a screw into a solid material gives a lot of trouble. Enough only slightly to tilt the screwdriver as that breaks down, sometimes cutting slot of the screw. To avoid...
