Countersink for drill

Countersink for drillEverybody knows to “hide” the head of the screw or nail, a hole must be countersunk. In a domestic environment this operation is usually large diameter drill. But it kvostik drill does not fit, and have to work in the “manual mode”. If the holes a lot, mozopi provided. To avoid them it is necessary to equip the drill very ordinary wooden handle of a file or screwdriver.

Recommend to read

  • “E-COLI”“E-COLI”
    Instead of bulky and uncomfortable electrostatic machines Wimshurst, coils Ruhmkorff in high school physics classrooms are increasingly high voltage converters voltage. They can be used...
  • Choose and buy the wooden ladderChoose and buy the wooden ladder
    As a rule, to a country house or cottage the best option are the interfloor wooden ladder – these models give a distinguished look to interiors and have excellent performance...