What Is a Right-Angle Drill?

In 1895, FEIN manufactured the world's first DC hand drill. The shell is made of cast iron and can drill 4mm holes in the steel plate. A hand drill is a small portable drilling tool that is portable and consists of a small motor, a control switch, a drill chuck and a drill.

Hand drills are powered by AC power or DC batteries

Twist drill --- most suitable for iron,

A hand drill is an AC power source or a DC battery-powered drilling tool. It is a type of hand-held power tool. The hand drill is the largest sales product in the power tool industry. It is widely used in construction, decoration, furniture and other industries. Holes or holes in objects are also called electric hammers in some industries. Precautions when operating electric drill:
1. Check the power cord for damage before use. If there is, it must be wrapped with insulation tape. Do not be immersed in water or dragged on during use. Do not touch heat sources and corrosive media.

2. For electric drills with metal casing, protective grounding (zero-connection) measures must be taken.

3. Make sure that the hand drill switch is turned off before use to prevent the hand drill from turning suddenly when the plug is plugged into a power outlet.
4. The electric drill should be idling for 0.5 1min before use, check whether the transmission part is flexible and there is no abnormal noise.

1.Maximum drilling diameter

2.Rated power

3. Forward and reverse

4.Electronic speed regulation

5, collet diameter

6. Rated impact rate

7.Maximum torque

8. Drilling capacity (steel / wood)

Twist drill ^[2]

Hand drill brand

1. FEIN (beginning in 1867 Germany, world brand, founder manufacturer of global power tools, industry influential brand, Germany FEIN Power Tools Group)

2. Bosch BOSCH (beginning in 1886 Germany, a world brand, a leading global manufacturer of power tools, an industry influential brand, Bosch Power Tools (China) Co., Ltd.)

3. Stanley STANLEY (in the United States in 1910, a world-renowned tool brand, one of the world's largest power tool manufacturers, a large multinational company, the United States Stanley Black & Decker)

4. Hitachi HITACHI (founded in Japan in 1910, a world-renowned brand, one of the world's largest integrated multinational corporations, a Fortune 500 company, Hitachi (China) Co., Ltd.)

5. Makita MAKITA (founded in Japan in 1915, a large multinational company, one of the world's largest manufacturers of specialized power tools, Makita (China) Co., Ltd.)

6. DEWALT (a Black Electric company affiliated with one of the largest electrical tool manufacturers, a world-leading tool manufacturer, a well-known brand, and Stanley Black & Decker USA)

7, Mai Taibao METABO (in 1924 Germany, one of Germany's famous professional power tool manufacturers, large multinational companies, world brands, Mai Taibao Power Tools (China) Co., Ltd.)

8. Ruiqi KEN (Chinese famous brand, Shanghai famous trademark, the world's leading high-level professional power tool operator, Shanghai Ruiqi Tools Co., Ltd.)

9. Dongcheng (China Well-known Trademark, Jiangsu Famous Trademark, Jiangsu Famous Brand, One of the Key Backbone Enterprises of Professional Power Tool Manufacturing, Jiangsu Dongcheng Power Tools Co., Ltd.)

10. Hilti (in 1941, a well-known power tool brand, a global high-quality service provider in the construction industry, a well-known brand, Hilti (China) Trading Company)

Hand drill safe operation regulations

1. The shell of the electric drill must be protected by grounding or neutral connection.
2. The wire of the electric drill should be well protected. It is strictly forbidden to drag the wire to prevent it from being damaged or cut. It is also forbidden to drag the wire into oily water to prevent the water from corroding the wire.
3. Do not wear gloves, jewelry and other items when using to prevent getting caught in the equipment to hurt your hands and wearing rubber shoes; when working in a humid place, you must stand on a rubber pad or a dry wooden board to prevent electric shock.
4. When the electric drill is found to be leaking, vibrating, high heat or abnormal sound during use, stop working immediately and ask an electrician to inspect and repair it.
5. When the electric drill has not completely stopped L rotation, the drill cannot be unloaded or replaced.
6. When the power fails to rest or leave the work place, the power should be cut off immediately.

7, can not be used to drill concrete and brick walls. Otherwise, it is easy to overload the motor and burn the motor. The key lies in the lack of impact mechanism in the motor and the small bearing capacity. ^[3]