inclined plane or mechanical screw. This is where long distance acting on a light force translates into lifting up a heavy force up a short distance. Safety Note: When using a lifting jack to lift any ...
Support stands are devices used to hold a piece of equipment or person at an elevated or extended position. This product area represents a large range of products - from heavy-duty industrial jack ...
Self-locking keeps tools like screw jacks from unwinding under load. Acme Screw Thread Profile by Wizard191 CC-BY-SA 3.0 Screw thread profiles can be modified from the standard V profile for ...
With a ratcheting screwdriver you can tighten or loosen a screw while your hand and the ... and is one of the many areas where the tool stands apart from the pack. The butt end of the handle ...