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A machine screw is actually a bolt. Screws are commonly used when holding wood together and bolts are usually used in machines.
A screw with a graduated head used in some forms of micrometers; turning the head one full revolution advances the position of the tip of the screw only by a little or A screw with fine threads used for the measurements of small spaces.
The threads of the screw as the threads are turned by the screwdriver .
the screw gauge is an instrument which is used to measure length of an object.... the least count of an screw gauge can be found as follow.... l.c= pitch of the screw gauge no of divisions on main scale
mild steel
specially designed wrench.
The nails or screw are sunk because you are going to sand the surface after the mud is applied. You don't want screw or nail heads to be near as they rip sanding paper.
no oxidization
Never-sieze would work.
A screw clamp is something that is used to put a screw in place. There are hand screw clamps where you use your hand to tighten the screw.
A pipe threader is used to thread the inside of pipes with accessories such as a die head, either manually or with a machine. Die heads are usually used with lathes,turret lathes, CNC lathes, or screw machines.
A Westinghouse 32 inch TV should be mounted to the wall with a half inch screw. A larger screw can be used, if available.
Ratchets are used to prevent extra pressure on the screw in the screw gauge.
what crosshead screwdriver used for
It doesn't look like used ball screw jacks are plentiful at the moment. Here are some suppliers that sell new ones: http://www.thomasnet.com/products/jacks-ball-screw-41400409-1.html If you looking to buy a used ball screw jack, then I suggest you vist www.directindustry.com. This should help you solve your answer.
These tests should be used when trying to test recall/comprehension of a broad content area.
it was used to tighten or loosen a screw