When it comes to torque wrench calibration, I often get asked, when should I re-calibrate my torque wrench? And should I wind it back to zero after use? In fact, these two questions might well be the most frequently asked of all frequently asked questions and are rightly a subject of genuine concern for production and quality managers. To misuse the old wartime propaganda slogan a little, ‘Careless torque can cost lives.’When it comes to matters of recalibration, I always refer back ...
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