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
HOMEMADE THAT SURPRISES PROFESSIONALS
Before we start talking about the machine, let’s introduce its creator and author of the article, Yuri Ivanovich Algebraistov. His entire adult life is connected with technology, and most...
GIDROSTROITEL A6M2-N “RUTH”
In the period between the First and Second world wars, aviation was developing rapidly. After analyzing the experience of the last war, countries with long Maritime borders, much...
