High Precision Metal Lathe Machine for Sale Tsinfa
What does a lathe do, application of metal lathe machine. ... 05, 10, 20, 30, 40 and 50 are added after the codes of K, P and m for subdivision. Generally, the smaller the number is, the higher the hardness is, but the lower the toughness is; conversely, the larger the number is, the higher the toughness is, but the lower the hardness is. ...