... , SCM440, 38CrMoALA 2.Injection capacity:30g-25000 single screw barrel injection machine Injection capacity:30g-25000g TECHNICAL DATA 1 ... of the surface:Ra 0.4μm 4.Screw straightness: 0.015mm/m 5.Chrome plating thickness ... : 0.05-0.1mm 6.Fully hard screw(wear-proof, corrosion-proof, heatproof, high-pressure ... high-speed proof):HPT1 HPT2 HPT3 7.Suitable plastic material: PP,PE,ABS,AS,PS etc. 8 ...