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
SECOND CLIP
When processing large surfaces of metal or wood with sandpaper craftsmen have to attach it to various devices. We offer original clasp allows you to do this conveniently and quickly....
MOTOBLOCK WITH A TWIST
I am a reader of "Modeller-designer" for nearly three decades and twenty-five years engaged in technical creativity. Over the years, made a lot of homemade designs, including presented...
