This simple device will help with the help of ordinary hand drills to cut holes of any diameter in the plywood, hardboard and particleboard.
Recommend to read
“MULTILATERAL” HACKSAW
Definitely interesting clue is given in No. 2, 1982, in the article "Handsaw — a universal tool" to fix on one drank the landlord several Polota. Want to offer a design that allows to...
TO INCREASE THE CHIP
Often aluminum wire suddenly breaks off, so even in the most remote places, leaving a short tail, what about twisting can not be considered. In these cases, rescue is simple, but...