Application:. Controlled screw tightening in the range of 2.5 - 13.6 Nm. Series assembly with consistent tightening value. Electronics industry, precision mechanics and industrial production. Design:. Fixed torque screwdriver - without scale. With 1/4" hexagon socket for operating 1/4" bits according to DIN 3126 - C 6.3. Release accuracy: +/- 6% tolerance of the set value. Design according to DIN EN ISO 6789 Type II Class F. Precision recirculating ball coupling for controlled clockwise and anti-clockwise tightening, special designs available. Precision mechanism slides noticeably when the set value is reached. Automatic return to the starting position. Lightweight construction thanks to anodized aluminum handles. The fixed setting can be made in the factory or by hand on suitable test equipment. If a factory fixed setting is required, please state the Nm value when ordering (price on request). Handles available in blue, red, green or gold anodized. Scope of delivery:. Torque screwdriv