... ,SB120,SB 80,SB 35,SB 40,SB 70,SB 25...)Alloy steel Body, made by material ASTM4142 or 42CrMo, heat ... . The products adapt to the machine with all the performance features such as a high feed rate, a long service life ... ,SB120,SB 80,SB 35,SB 40,SB 70,SB 25)