Micro spray with unit 1.high quality 2.durable in use Micro spray with unit configuration parameters1, single screw plastic extruder1.1 screwScrew diameter, 50mmScrew length-diameter ratio, 30/1Screw speed (Max) , 80r/minScrew forms, wave mixing with stemScrew material, 380rMoALAProcessing, nitriding processNitriding depth >0.6 mm, nitriding hardness acuity >=7001.2 Screw barrelScrew tube ...