... 4.Low-Stress 5.Realize High Speed Precison Machining Small-Scale Precision CNC Lathe KM-20 Detailed Product Description: In KM ... -20 series of small-scale precision CNC lathe, large parts adopt meehanite metal with high ... , lead screw and main spindle with high-precision, suitable processing range.The lathe can process various alloy steels,stainless steel parts ...