How do you calculate torque to yield a bolt?

You can identify a torque-to-yield or stretch-style fastener by the narrow shank just below the washer face and before the thread run. A bolt of this design is intended to be installed in the plastic range and cannot be reused after being tightened once. Torque-To-Yield Bolts Getting to the precise yield zone (for maximum clamping … Read more

Do centipedes come up through drains?

Centipedes and other insects can crawl up through the drain pipes and end up in your kitchen sink, laundry room sink or bathrub. Centipedes prefer to rest in secluded places during the day. From these sites they may enter ground-level rooms. They may use door thresholds or gaps in the foundation. They do not come … Read more