Required, when a small diameter drill bit fails to hold in the Chuck. But “sewing” it is better to “size” smaller: the nail or the drill navathe thinner copper wire — tightly, turn to turn, clockwise. Now, put the resulting spiral shank right drill: when the clamp and working the spiral to wedge and securely hold it in the Chuck.
Yuri ZHDANOV, Moscow
Recommend to read
CRUISER 3 RD CLASS LAVOISER
CRUISER 3 RD CLASS LAVOISER. Scale model 1:200. "Colonial" cruiser of the 3rd class "Lavoisier" was laid down in Toulon in January 1895, launched in April 1897, and finally completed...
SOILED SYRINGE
Artificial fertilizers are much more effective if they are applied to the soil dissolved in water. However, to achieve an even distribution but the size of the plot is not easy — because...