Exton, Pa. — When it comes to screws for injection molding machines, the term "general purpose" covers a wide range. Now one screw designer is calling for some standards. "Everybody that's bought an ...
Robert F. Dray is the founder and owner of R. Dray Mfg. Inc., and the founder of Feed Screws Inc. in 1967. A screw of ?general-purpose? design is purported to have the ability to process a wide range ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback