The Bench Screw Is A Tool That Serves To Give An Effective Hold To The Pieces So That They Can Be Subjected To Different Mechanica Royalty-Free Stock Photo

It is usually seated on a table or workbench, either screwed to the surface of the table or supported on the floor of the workshop.It has two jaws, one fixed and the other moved by a screw, usually square or trapezoidal thread, which rotates thanks to a lever, between them the pieces to be machined are fixed. In order not to damage the surface of the pieces, protections called galteras are usually placed, or soft jaws, made of lead or other soft material