TBK BK-007 4-in-1 Mini Electric Screwdriver & Grinder | 3-Speed Adjustable | Precision Repair Tool for Phones & Electronics

The TBK BK-007 is a multi-functional precision instrument designed to support diverse electronic repair and assembly requirements. Distinct from standard drivers, this compact unit integrates the capabilities of an electric screwdriver, drill, grinder, and cutter. It is engineered with a dual-specification motor system that provides high-speed rotation for grinding tasks and controlled torque for fastening operations. The device features three adjustable speed settings and an automatic braking mechanism intended to prevent over-tightening and protect sensitive components. Powered by a 500mAh rechargeable lithium battery via a standard Type-C interface, the tool is lightweight (76g) and includes a comprehensive set of bits for maintenance on mobile phones, PCs, drones, and other electronic devices.

4-in-1 Functionality: Combines the utility of a screwdriver, drill, grinder, and cutter into a single handheld device, reducing the need for multiple separate tools.

Dual-Mode Motor Performance: Delivers up to 30,000 RPM for grinding/cutting applications and 260 RPM for precision screwdriving tasks.

Three-Speed Adjustment: Allows operators to switch gears efficiently to obtain the appropriate torque and speed for specific repair stages.

Automatic Torque Protection: The motor stops automatically upon reaching the torque limit to prevent screw stripping or damage to device casings and motherboards.

Rechargeable Power System: Equipped with a 500mAh lithium battery and a USB Type-C charging port for compatibility with modern charging standards.

Comprehensive Accessory Kit: Supplied with 24 precision screw bits for disassembly and 10 specialized bits for grinding and drilling operations.

Integrated LED Lighting: Built-in LED enhances visibility in low-light environments or effectively illuminates deep screw holes.

Lightweight Construction: Weighing 76g, the device is designed to minimize hand fatigue during prolonged repair sessions.

Brand, TBK

Model, BK-007

Rated Voltage, 3.7V

Battery Capacity, 500mAh

Maximum Torque, 1.5kgf

Screwdriver Speed, 260R/min

Grinding Speed, 30000R/min

Charging Method, Type-C

Charging Parameters, 5V DC 1A

Product Size, 187*17.7mm

Product Weight, 76g

Q1: What functions does the TBK BK-007 perform besides screwdriving?
A1: The TBK BK-007 is a 4-in-1 tool that functions as a screwdriver, drill, grinder, and cutter. This versatility makes it suitable for standard disassembly as well as tasks like grinding down ICs or modifying casing frames.

Q2: What represent the rotational speeds for the different modes?
A2: The device features a high-speed motor capable of 30,000 RPM for grinding and drilling functions, and a geared motor speed of 260 RPM optimized for precision screwdriving.

Q3: How does the automatic torque brake benefit phone repair?
A3: The automatic torque brake stops the rotation when resistance is met, preventing the user from over-tightening screws. This is critical in phone repair to avoid stripping threads or cracking delicate logic boards.

Q4: What type of charging interface and battery does the tool use?
A4: It utilizes a 500mAh rechargeable lithium battery charged via a USB Type-C port, allowing for convenient charging using standard cables found in most repair shops.

Q5: What accessories are included in the package?
A5: The kit includes 34 total bits: 24 high-precision screwdriver bits for various fasteners and 10 specific bits designed for grinding, polishing, and drilling tasks.