How to Operate a House Screw Jack?

Answer Foundation issues and time lead to sagging or weak floors. This can cause doors to bind in the frame and furniture to sit unlevel. Weak floors bounce excessively when you are walking or when you ap... Read More »

Top Q&A For: How to Operate a House Screw Jack

Screw Jack Calculations?

A screw jack, or jackscrew, is a jack that derives its compressive force from the turning of a leadscrew. A self-locking trapezoidal thread is often used as a leadscrew, though ball screws are some... Read More »

How Does a Screw Jack Work?

The General Education Development (GED) test was developed as a high school equivalency test so soldiers coming back from World War II could have an opportunity to attend college. The GED credentia... Read More »

What is a Starrett jack screw used for?

L.S. Starrett is a company that produces jack screws. Jack screws can be used for positioning and supporting large parts on a machining mill, leveling a small surface plate for checking precision l... Read More »

The screw on my eyeglasses came out...(ultra tiny screw) anyone know of a tool small enough to screw it in?

Everyone is right...they sell little eyeglass repair kits at most drug stores. I've even seen them at the check-out at some grocery stores. Don't lose that screw though. The screws in those kits... Read More »