What is a screw? What is a nail? What is the concept? What is the difference!
Machine nails are mechanical bolts, mainly due to mechanical connections, due to smaller size mechanical screws
The screw is a threaded stud that is fastened to two objects, with a threaded screw in the column, usually screwed and nailed. Machine nail is used for mechanical attack on the use of a good thread, or with nuts used to fasten the product, according to the material requirements have a certain force. The range of screws is wide, the nail is just one of the screws inside.
Screws, screws luódīng, luósīdīng [Screw] Small cylindrical or conical metal rods with threaded parts, with a slotted or with a concave head, the use of machine nails alone? What machine nail Oh? How have I ever heard of it?
The screw is a screw, a small cylindrical or conical metal rod with threaded parts, with a slotted or pocketed head, used alone. Machine nail is used for mechanical attack on the use of a good thread, or with nuts used to fasten the product, according to the material requirements have a certain force. The range of screws is wide, the nail is just one of the screws inside.
