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
WINCH TRACTOR
Large forestry in the country today are equipped with powerful and high-performance appliances. However, there is a lot of auxiliary operations, the performance of which has not yet been...
TABLE FOR EVERY TASTE
CLASSIC, BUT WITH A PREFIX. The main advantages of this Desk is a classic style includes not only the large useful surface, but also increased the capacity of the cabinets. There are...