
Monthly Archives: August 2014

Wood screws turn more easily in tight-fitting holes when threads are rubbed with a slightly wet bar of soap.
Use a torque wrench to prevent common over-tightening problems
It’s vitally important that the tightness of a fastener fall within a fairly narrow range. Too loose and there’s the danger of the nut or bolt spontaneously unscrewing down the road. Or maybe the gasket or O-ring fitting clamped by that bolt will leak. Too tight and there are other risks: The bolted-together part may be compressed, bent or otherwise damaged. The bolt shank could break, or the threads may strip, providing no clamping force at all.
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