Flat-head screwdriver FELO 4.0 x 0.8 mm (FL90004310) — hand tool for slotted screws

Flat-head screwdriver FELO 4.0 x 0.8 mm is a precision hand tool designed for working with slotted screws. The tool features a 4.0 mm blade width and a 0.8 mm tip thickness, providing a slim profile for access in narrow slots and tight assemblies. The tip is manufactured for a stable fit in screw heads and controlled torque transfer, making it suitable for assembly, maintenance, electrical and mechanical repair tasks that require accuracy.

Advantages

The screwdriver offers a precisely formed flat tip that reduces cam-out and improves contact with slotted screws. Its narrow blade and consistent tip thickness allow for accurate alignment and reduced risk of damaging screw heads. The robust tip geometry increases durability under repeated use, and the compact blade size supports work in confined spaces. The tool's construction focuses on stable torque transfer and predictable handling for routine professional and DIY tasks.

Suitable for

• Assembly of small components and fixtures
• Maintenance and repair of electrical devices and equipment
• Mechanical repairs where slim slotted drivers are required
• Fine adjustment work in electronics, instruments and control panels

Key specifications

• Blade width: 4.0 mm
• Tip thickness: 0.8 mm
• Tip type: flat / slotted
• Intended use: manual hand screwdriver for slotted screws
• Applications: assembly, maintenance, electrical and mechanical repair

How to use

Select the FELO 4.0 x 0.8 mm flat-head screwdriver when the screw slot matches the blade width and tip thickness to ensure full contact. Insert the blade into the slot, align the handle with the screw axis, and apply steady pressure while turning to engage threads. Use controlled torque to avoid stripping the slot or damaging surrounding materials. For electrical work, ensure power is disconnected before use and observe safety procedures.

Usage recommendations

Maintain the tip by avoiding use on rounded or damaged screws; replace the tool if the tip shows wear or deformation. Store the screwdriver in a dry place and use insulated handling if working near energized circuits. For best results, pair the screwdriver with appropriately sized slotted screws and avoid excessive force to preserve tip geometry and screw integrity.