Torque screwdriver S 1/4" 4-9 Nm

Use: • Controlled screw tightening in the range 4-9 Nm • High-speed, controlled tightening enables serial production • Electrical and electronic hardware industry, instrument-making industry and industrial manufacturing or in quality control Features: • Adjustable torque screwdriver with scale • With 1/4" female hexagon drive for use with 1/4" hexagon bits as per DIN 3126 - C 6.3 • With adaptor also suitable for 1/4" square drive sockets as per DIN 3124 • Working accuracy: +/- 6 % tolerance of the set torque • Acc. to DIN EN ISO 6789, traceable to national standards • Precision radial ball clutch and cam design for controlled bi-directional tightening • Precision mechanism slips very noticeably through when set torque is reached • Automatic resetting to the starting position • Locking of the value by means of an adjusting knob
Micrometer scale graduation: 1 cN·m / 0.1 N·m • Lightweight construction by virtue of anodised aluminium handgrips Scope of delivery: • Torque screwdriver type 757 • 1/4" square/hexagon drive adaptor (no. 757-20) • Models 757-06/-09 with additional sliding T-bar (no. 757-21) - for ease of use • Test certificate acc. to DIN EN ISO 6789 • Delivered in sturdy cardboard packaging