Profile: Cleveland Screw Products, Inc. manufactures custom automatic screw machine parts. We work with all types of steel, stainless steel and aluminum. We specialize in tough cutting alloys. Our cone automatic bar machines handle material from 1/4" diameter to 3 1/2" diameter. Our secondary operations include deburring, drilling, boring, milling, CNC milling, broaching, tapping, threading, tumbling, sand blasting and vibratory finishing.