Flathead screwdriver c.k tools T4975 — 4 mm blade width, 100 mm blade length

c.k tools T4975 is a flathead screwdriver with a 4 mm blade width and 100 mm blade length designed for manual fastening and loosening of slotted screws. The tool delivers a compact profile and precise tip geometry for accurate engagement in narrow slots and recessed heads. Its dimensions make it suitable for general electrical work, maintenance and light assembly tasks where controlled torque and clear tactile feedback are required.

Advantages

The flathead screwdriver provides precise tip dimensions that reduce cam-out and improve contact with slotted fasteners. Its 100 mm blade length offers access to recessed screws while keeping the handle close to the working surface for controlled turning. The compact 4 mm blade width fits a broad range of common slotted screw sizes, supporting consistent engagement and reduced damage to screw heads. The tool’s simple construction ensures ease of use and low maintenance.

Suitable for

Key specifications

How to use

Select the flathead screwdriver when the screw slot matches the 4 mm blade width to ensure proper engagement. Insert the tip fully into the screw slot, apply steady axial pressure and turn the handle with controlled torque to tighten or loosen the fastener. Maintain alignment between blade and slot during operation to reduce the risk of slipping or damaging the screw head. Inspect the tip before use and replace the tool if the tip shows excessive wear or deformation.

Recommendations

Use the screwdriver for manual tasks within its intended torque range and avoid using it as a pry bar or chisel. Keep the blade clean and free of debris for accurate engagement, and store the tool in a dry place to prevent corrosion. When working on live electrical circuits, follow applicable safety procedures and disconnect power before making adjustments.