... :45#,40Cr,40CrNi,etc 2.Weight:1.2kg 3.Hardness:HRC48-55 4.Application:Automotive High quality cnc ... *750mmCNC milling work range: 510mm*1020mm*500mm Our OEM Serivce : 1) Material:Steel, Brass, Copper, Stainless steel, Plastic, Aluminium POM, Delrin ...