Combination Screwdriver - A screwdriver with detachable heads and handles. When installing different types of screws, simply replace the screwdriver head without needing a large assortment of screwdrivers. The benefit is that it saves space, but the drawback is that the screwdriver heads can easily be lost. 3. Electric Screwdriver - An electric screwdriver, as the name implies, uses an electric motor to install and remove screws, instead of manual labor. Typically, electric screwdrivers use a combination screwdriver. 4. Watch Screwdriver - A precision screwdriver, often included in an electric screwdriver set, commonly used for repairing bracelet watches, hence the name.
GB/T 22679-2008 Electric Screwdriver GB 3883.2-1991 Safety of Portable Electric Tools - Part 2: Requirements for Screwdrivers and Impact Wrenches (for certification) GB 3883.2-2005 Safety of Portable Electric Tools - Part 2: Requirements for Screwdrivers and Impact Wrenches JB/T 10108-1999 Electric Screwdriver JB 2703-1991 Micro Permanent Magnet DC Screwdriver JB/T 2703-1999 Micro Permanent Magnet DC Screwdriver JB/T 50025-1999 Pneumatic Screwdriver - Product Quality Grading JB/T 5129-1991 Pneumatic Screwdriver JB/T 5129-2004 Pure Torque Pneumatic Screwdriver JB 5343-1991 Electric Self-Tapping Screwdriver JB/T 5343-1999 Electric Self-Tapping Screwdriver ZB K 64002-1987 Electric Screwdriver
III Class Tool Safety Protection: These tools are powered by a safe voltage power supply. The no-load voltage between the safe voltage guides or any conductor and ground does not exceed 50V; for three-phase power supplies, the no-load voltage between the conductor and the neutral does not exceed 29V. Safe voltage is usually supplied by a safe isolation transformer or a converter with an independent winding. No protective grounding device is allowed on III Class tools. Radio interference suppression: Single-phase series excited motors and DC motors with a commutator can cause serious electrical interference to television sets and radios.
Electric Screwdriver - SpeedySmart - Electric screwdriver products are supplied by SpeedySmart Technology (Zhejiang) Co., Ltd. Located at 820 Wen'er West Road, 4388, Building 1, Xihui District, Hangzhou City, Zhejiang Province, SpeedySmart has gained a good reputation in the market. SpeedySmart's achievements across the entire network signify a new height in our service and management. The entire staff of SpeedySmart is eager to work with like-minded individuals to grow together and create a brighter future.
