In cases when you want to prevent turning of the screw, screwed into a Board or plywood, I use a very simple way. Of stiff wire or a nail, whose diameter corresponds to the width of the slot of the screw, hollow out a U-shaped bracket and pin it as shown in the figure. Upon entering the slot, it securely holds the screw.
S. DUBINSKY, Kiev
Recommend to read
SHIPS OF THE THIRD MILLENNIUM
The launching of another ship of the MEKO family of corvettes "Amatola" for the Navy of South Africa — at first glance, were not fraught with anything unusual. Nevertheless, this event,...
“CLEAVER” CABLE
Party NTTM, army innovator Y. Bandurko, suggested a simple device for cutting steel wire rope. Steel is the base plate to which are welded crosswise arranged vertical edge guides....
