# Electric Screwdriver Set, 4mm bit, Li-Ion, 56 accessories, BST

- Page: https://sigmanortec.ro/en/electric-screwdriver-set-4mm-bit-li-ion-56-accessories-bst
- Price: 303.76 RON
- Availability: Out of stock
- Reference: 77490 · EAN: 5941794669392
- Category: Mechatronics and IoT > Tools > Repair Tool Kits
- Specifications: Technology: Lithium Ion
- Package (shipping data): 0.451 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 04:50 (Europe/Bucharest)

## Description

Electric screwdriver for fine mechanics, ideal for repairing phones, laptops and electronics, with USB Type-C rechargeable Li-Ion battery and button-controlled rotation direction. Includes 56 4mm H4 bits with magnetic head, 3-point LED light for precise work, compact case with organized storage and magnetizing accessories for easy handling.
Set consisting of an electric screwdriver with internal Lithium Ion battery, rechargeable, magnetic head, 56 bits, magnetizing device and magnetic press.
The screwdriver supports 4mm bits that are also found in other repair sets for phones and laptops.
The case is composed of the base that houses the 56 bits, magnetic covers on both sides and a transparent tube for storing the screwdriver.
The direction of rotation of the electric screwdriver can be controlled by the two buttons on it.
IMPORTANT: This is a screwdriver for fine mechanics, it is NOT a self-tapping screw. Do not tighten screws by hand with it. The destruction of the internal gears resulting from incorrect use is not covered by the warranty.
Specifications:
Power supply: Internal Li-Ion battery, rechargeable via USB Type-C cable
Torque: 0.3 - 1.6Nm
Model: BST-9911+
Charging time: 0.5 - 1 hour
Material: S2 Aluminum Alloy
Speed: 150 RPM
Screwdriver length: 182mm
Box dimensions: 200 x 95 x 25mm
Compatible bits: H4
Light: Yes, LED x3
Bit set:
Included in the package: