... balde for steel plant Flies shear blades are specially heat treated for optimum toughness and abrasion resistance ... highly tesistant to damage, impact, vibration, clamping and cutting force. Flies shear blades' life are ... tool steel bit, and may carry on the pre-protection and repair. In order to serve and supply ... press,Cold press 3) Base Body Materail: 9CrSi,Steel,or others 4) Your Quantity; 5) Your ...