Hand Drill: Choose Correctly
Hand drill - a tool designed for drilling
holes in various materials: wood, metal and other works in the aggregate drill,
which is clamped special patron. Today industry produces various types of
drills. This article describes these differences, allowing determine which tool
is right for you.
Hand drill invented back in the Neolithic
period. Initially, it looked like a combination of ancient instruments. By
turning the bow was rotating drill bit, which is pressed from the top hand. So
start a fire, we prepared the necessary tools, processed stone, wood, and so
on. D.
At the end of the nineteenth century, after
the "taming" of electricity, it was invented by an electric drill. To
date, industry produces mechanical wired (network) and cordless tools. Manual
drills Manual is designed to drill holes that do not exceed 10 mm. It consists
of a spindle on which are set in a certain way the small gear wheels and
handle, resulting in the mechanism in motion. What is different from the other
two-speed hand drill? When drilling of its "master" gear is connected
either with another gear or a bevel gear.
BTW, you can select the Keyless
Drill Chuck at Banggood. Besides, you can easily get other electrical
accessories (e.g. DIY
Wi-Fi Wireless Switch) there with high quality and reasonable prices.