We has been a leading supplier of high quality feed screws - singles and twins, barrels and tips for more than a quarter century in the plastics and rubber industries of the world. Our manufacturing capabilities extend from 3/4" diameter to 10" and lengths to 200". Our extensive manufacturing experience includes the industry standard of 4140 H.T. and the various tool steels, hastelloy, inconel, nitralloy, stainless and plating processes of chrome, nickel and titanium are offered for corrosion resistance along with the nitriding process