How to quickly and easily drill a hole: a portable tool with their own hands

The drill is an indispensable helper during repair or installation work. Using this tool greatly simplifies and speeds up the assembly process of various products.

In this article, I'll introduce you to the invention which can be made with your own hands.

The hero of this review - a tool for drilling holes with their hands

(How does this work will show at the end)

In this review I would like to tell you about a portable drill with his hands. I will try to give a comprehensive assessment of the present instrumentTo have formed their own understanding of its capabilities and the need to manufacture.

Idea

Evaluation 3 of 5

For drilling holes in the home is traditionally used drill. This tool can be manual, electric, and even air.

Nozzle wrench will act as a blank for this tool with their own hands

All these species are rather cumbersome and heavy, and therefore to carry out quality work takes time and skill.

Drill according to the author to get an easy, relatively compact and mobile. However, its design is nearly the same as widespread in Soviet times, the helical drill.

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Therefore, the idea of the author I put 3 points.

Design

Evaluation 3 of 5

portable drill is very simple design. The author took a metal rod with a screw thread on one end of which he fastened nut head of suitable size.

For the female head stuck drill chuck. At the other end of the rod is welded a bearing.

As the clutch, resulting in the movement of the rod, the author used a small-diameter pipe segment, in which 2-boiled bolt.

The process of screwing the bolts into the metal workpiece

The disadvantages of this device, I would mention only a small drill hole diameter. And, of course, the process of work, I think, to move the sleeve up and down along the shaft at least uncomfortable. Bearing could make a small patch of plastic or rubber, it was convenient to work with.

In general, for the design I put this author tool 3 points.

Design

Evaluation 2 of 5

Tool was not colored, therefore is unattractive appearance. Therefore, the author I put 2 points.

analogs

Evaluation 4 of 5

Analogs portable drills their own hands They are hand drill, Drill, electric and pneumatic drills. The minimum cost of hand tools from 380 rubles. Power tools worth 1200 rubles.

I think the use of this tool will be appropriate if there is a need to drill small diameter holes in some small details.

Small size and weight of this device will certainly simplify the drilling process. For this, I put 4 points.

Total

Grade 12 20

portable drill their own hands gaining 12 points out of 20. Despite the fact that this tool is inferior in power tool performance, it can be used well for drilling.