A hand drill is a tool, which can be attached with a driving bit or a cutting bit to help in fastening bolts and screws to make them secure or in drilling into various materials. A hand drill can help in tightening fasteners when used together with a drill bit. When fitted with a stirring attachment, it can be used in mixing paint and joint as well as other liquids like ceramic glazing materials.
Types of Hand Drills exist in two types. The first one is manual hand drills and the second is power hand drills (battery-operated or corded). Manual Hand Drills As the name suggests, the hand drills are operated manually. They convert and amplify the crank’s circular motion into a drill chuck’s circular motion. Manual hand drills have a quicker set-up time compared to electric drills, and are suitable for drilling a small number of holes. They are used for drilling into plastics, soft metal and wood, and also for screw driving. They accommodate drills bits of up to 6mm diameter.
Battery-Operated Hand Drills
Some power hand drills have rechargeable batteries. Battery-operated hand drills are widely used today. These hand drills are used for securing two objects together or drilling holes. They can also help in drilling steel, concrete as well as other construction materials, but it depends on the bit used Battery-operated hand drills are cheaper than the electric ones. They also less labor intensive compared to the manual hand drills. Furthermore, they are of light weight, efficient and saves on labor time.
Drills Electric hand drills became popular in the 1980s, when systems for their speed control were developed. Since their invention, various versions have been made, including hammer drills, close-quarter drills and rotary drills. Electric hand drills are corded, and are often used by hobbyists, homeowners, and professionals in the painting, construction, furniture, manufacturing and remodeling industries.
Electric hand drills can be used alongside drill presses. In general, electric hand drills are more effective than manual and battery-operated hand drills, and they can be used in a wider range of works. The following are important points to note. It is important to buy a hand drill that is best suited for the job size. All tools should be kept clean and secure after use Battery-operated hand drills must be stored according to recommendations from the manufacturer. Safety instructions from the manufacturer should be followed while using a hand drill.
Always remember to wear personal protective equipment, including eye protection gear. Hand drill bits can cause blockage, which can make the drill to stop rotating suddenly and pose danger to the user’s wrists or hands.