Mar 19 2018018332The History of the Nut and Bolt Industry in America by WR Wilbur in 1905 acknowledges that the first machine for making bolts and screws was made by Besson in France in 1568 who later introduced a screwcutting gauge or plate to be used on lathes.
Jaw crusher is the vital equipment in crushing industry.Detail
Roll crusher (roller crusher) is suitable for the fine crushing of the materials with feeding size less than 110mm, and finished particle size 3-30mm.Detail
Sand maker is also known as impact crusher or sand making machine.Detail
Ball mill is the vital equipment for recrushing after being crushed.Detail
Circular vibrating screen is mainly used to screen the dry materials used for metallurgy, coal, ore, etc.Detail
Raymond mill is also known as Raymond, Raymond machine.Detail