Founded in 1974, Bartley Manufacturing has provided high volume high precision quality screw machine parts to companies throughout the US. We stand behind our craftsmanship and products. Our specialties includes: components made out of steel, stainless steel, brass and aluminum and other related industry materials, multi-spindle Davenport capabilities, custom packaging, heat treating and plating.
Screw machined parts are complex pieces that are typically cylindrical and threaded and a screw machined product is a family of automatic lathes for small to medium-sized components. Screws, bolts, pins, fittings...
During the first industrial revolution in the 19th Century, Swiss watch makers developed the screw machine to produce small screws in large quantities. Over the 150 years since its introduction, the Swiss screw machine has become an essential and vital part...
Thread rolling is a type of threading process which involves deforming a metal stock by rolling it through dies. This process forms external threads along the surface of the metal stock...
